The number 49470
49470 is a composite number with 32 divisors. Its prime factorisation is 2 × 3 × 5 × 17 × 97. Divisors (32): 1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 97, 102, 170, 194 … 49470.
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How to work it out
- 1
49470 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49470 is composite. Its prime factorisation is
- 3
The divisors add up to 127008; without 49470 itself that is 77538, so 49470 is abundant (77538 is more than 49470). Euler's totient φ(49470) = 12288 numbers up to 49470 share no factor with it.
- 4
The digits of 49470 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 145 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49470 = 2 \times 3 \times 5 \times 17 \times 97 \]
49470 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 32 |
| Sum of divisors | 127008 |
| Euler totient φ(n) | 12288 |
| Square | 2447280900 |
| Cube | 121066986123000 |
| Square root | 222.418524 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 145 |
| Scientific notation | 4.947 × |
49470 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand four hundred and seventy |
| Binary (base 2) | 1100000100111110 |
| Octal (base 8) | 140476 |
| Hexadecimal (base 16) | C13E |
| Base 3 | 2111212020 |
| As time | 49470 seconds = 13 h 44 min 30 s |
Is 49470 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49470 ÷ 2 = 24735) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (49470 ÷ 3 = 16490) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (49470 ÷ 5 = 9894) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (49470 ÷ 6 = 8245) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (49470 ÷ 10 = 4947) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49470 a prime number?
No. 49470 = 2 × 3 × 5 × 17 × 97, so it is divisible by 2.
What are the factors of 49470?
1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 97, 102, 170, 194, 255, 291, 485, 510, 582, 970, 1455, 1649, 2910, 3298, 4947, 8245, 9894, 16490, 24735, 49470.
What is 49470 in binary?
1100000100111110 (hexadecimal C13E, octal 140476).
What is the square root of 49470?
About 222.4185.
Is 49470 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 49470?
It is a composite number with 32 divisors.