The number 57007
57007 is a composite number with 4 divisors. Its prime factorisation is 109 × 523. Divisors (4): 1, 109, 523, 57007.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 57007: a semiprime: 109 × 523, the product of two primes.
- 2
57007 is composite. Its prime factorisation is
- 3
The divisors add up to 57640; without 57007 itself that is 633, so 57007 is deficient (633 is less than 57007). Euler's totient φ(57007) = 56376 numbers up to 57007 share no factor with it.
- 4
The digits of 57007 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 184 steps to reach 1.
LaTeX source of the formulas on this page
\[ 57007 = 109 \times 523 \]
57007 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 57640 |
| Euler totient φ(n) | 56376 |
| Square | 3249798049 |
| Cube | 185261237379343 |
| Square root | 238.761387 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 184 |
| Scientific notation | 5.7007 × |
57007 in other forms
| Form | Value |
|---|---|
| In words | fifty-seven thousand and seven |
| Binary (base 2) | 1101111010101111 |
| Octal (base 8) | 157257 |
| Hexadecimal (base 16) | DEAF |
| Base 3 | 2220012101 |
| As time | 57007 seconds = 15 h 50 min 7 s |
Is 57007 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 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 57007 a prime number?
No. 57007 = 109 × 523, so it is divisible by 109.
What are the factors of 57007?
1, 109, 523, 57007.
What is 57007 in binary?
1101111010101111 (hexadecimal DEAF, octal 157257).
What is the square root of 57007?
About 238.7614.
Is 57007 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 57007?
57007 is a semiprime: 109 × 523, the product of two primes.