The number 62542
62542 is a composite number with 4 divisors. Its prime factorisation is 2 × 31271. Divisors (4): 1, 2, 31271, 62542.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 62542: a semiprime: 2 × 31271, the product of two primes.
- 2
62542 is composite. Its prime factorisation is
- 3
The divisors add up to 93816; without 62542 itself that is 31274, so 62542 is deficient (31274 is less than 62542). Euler's totient φ(62542) = 31270 numbers up to 62542 share no factor with it.
- 4
The digits of 62542 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 135 steps to reach 1.
LaTeX source of the formulas on this page
\[ 62542 = 2 \times 31271 \]
62542 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 93816 |
| Euler totient φ(n) | 31270 |
| Square | 3911501764 |
| Cube | 244633143324088 |
| Square root | 250.083986 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 135 |
| Scientific notation | 6.2542 × |
62542 in other forms
| Form | Value |
|---|---|
| In words | sixty-two thousand five hundred and forty-two |
| Binary (base 2) | 1111010001001110 |
| Octal (base 8) | 172116 |
| Hexadecimal (base 16) | F44E |
| Base 3 | 10011210101 |
| As time | 62542 seconds = 17 h 22 min 22 s |
Is 62542 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (62542 ÷ 2 = 31271) | 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 2) | 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 4) | 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 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 62542 a prime number?
No. 62542 = 2 × 31271, so it is divisible by 2.
What are the factors of 62542?
1, 2, 31271, 62542.
What is 62542 in binary?
1111010001001110 (hexadecimal F44E, octal 172116).
What is the square root of 62542?
About 250.0840.
Is 62542 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 62542?
62542 is a semiprime: 2 × 31271, the product of two primes.