The number 49425
49425 is a composite number with 12 divisors. Its prime factorisation is 3 × × 659. Divisors (12): 1, 3, 5, 15, 25, 75, 659, 1977, 3295, 9885, 16475, 49425.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49425 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49425 is composite. Its prime factorisation is
- 3
The divisors add up to 81840; without 49425 itself that is 32415, so 49425 is deficient (32415 is less than 49425). Euler's totient φ(49425) = 26320 numbers up to 49425 share no factor with it.
- 4
The digits of 49425 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 114 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49425 = 3 \times 5^{2} \times 659 \]49425 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 81840 |
| Euler totient φ(n) | 26320 |
| Square | 2442830625 |
| Cube | 120736903640625 |
| Square root | 222.317341 (= 5√1977) |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 114 |
| Scientific notation | 4.9425 × |
49425 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand four hundred and twenty-five |
| Binary (base 2) | 1100000100010001 |
| Octal (base 8) | 140421 |
| Hexadecimal (base 16) | C111 |
| Base 3 | 2111210120 |
| As time | 49425 seconds = 13 h 43 min 45 s |
Is 49425 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (49425 ÷ 3 = 16475) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (49425 ÷ 5 = 9885) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 1) | 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 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49425 a prime number?
No. 49425 = 3 × × 659, so it is divisible by 3.
What are the factors of 49425?
1, 3, 5, 15, 25, 75, 659, 1977, 3295, 9885, 16475, 49425.
What is 49425 in binary?
1100000100010001 (hexadecimal C111, octal 140421).
What is the square root of 49425?
About 222.3173, exactly 5√1977.
Is 49425 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 49425?
It is a composite number with 12 divisors.