The number 49494
49494 is a palindrome: it reads 49494 backwards too. Its prime factorisation is 2 × 3 × 73 × 113. Divisors (16): 1, 2, 3, 6, 73, 113, 146, 219, 226, 339, 438, 678, 8249, 16498, 24747, 49494.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49494: a palindrome: it reads 49494 backwards too.
- 2
49494 is composite. Its prime factorisation is
- 3
The divisors add up to 101232; without 49494 itself that is 51738, so 49494 is abundant (51738 is more than 49494). Euler's totient φ(49494) = 16128 numbers up to 49494 share no factor with it.
- 4
The digits of 49494 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 114 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49494 = 2 \times 3 \times 73 \times 113 \]
49494 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 101232 |
| Euler totient φ(n) | 16128 |
| Square | 2449656036 |
| Cube | 121243275845784 |
| Square root | 222.472470 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 114 |
| Scientific notation | 4.9494 × |
49494 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand four hundred and ninety-four |
| Binary (base 2) | 1100000101010110 |
| Octal (base 8) | 140526 |
| Hexadecimal (base 16) | C156 |
| Base 3 | 2111220010 |
| As time | 49494 seconds = 13 h 44 min 54 s |
Is 49494 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49494 ÷ 2 = 24747) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (49494 ÷ 3 = 16498) | 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 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (49494 ÷ 6 = 8249) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | 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 49494 a prime number?
No. 49494 = 2 × 3 × 73 × 113, so it is divisible by 2.
What are the factors of 49494?
1, 2, 3, 6, 73, 113, 146, 219, 226, 339, 438, 678, 8249, 16498, 24747, 49494.
What is 49494 in binary?
1100000101010110 (hexadecimal C156, octal 140526).
What is the square root of 49494?
About 222.4725.
Is 49494 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 49494?
49494 is a palindrome: it reads 49494 backwards too.