The number 62740
62740 is a composite number with 12 divisors. Its prime factorisation is × 5 × 3137. Divisors (12): 1, 2, 4, 5, 10, 20, 3137, 6274, 12548, 15685, 31370, 62740.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
62740 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
62740 is composite. Its prime factorisation is
- 3
The divisors add up to 131796; without 62740 itself that is 69056, so 62740 is abundant (69056 is more than 62740). Euler's totient φ(62740) = 25088 numbers up to 62740 share no factor with it.
- 4
The digits of 62740 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 55 steps to reach 1.
LaTeX source of the formulas on this page
\[ 62740 = 2^{2} \times 5 \times 3137 \]62740 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 131796 |
| Euler totient φ(n) | 25088 |
| Square | 3936307600 |
| Cube | 246963938824000 |
| Square root | 250.479540 (= 2√15685) |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 55 |
| Scientific notation | 6.274 × |
62740 in other forms
| Form | Value |
|---|---|
| In words | sixty-two thousand seven hundred and forty |
| Binary (base 2) | 1111010100010100 |
| Octal (base 8) | 172424 |
| Hexadecimal (base 16) | F514 |
| Base 3 | 10012001201 |
| As time | 62740 seconds = 17 h 25 min 40 s |
Is 62740 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (62740 ÷ 2 = 31370) | 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 | Yes (62740 ÷ 4 = 15685) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (62740 ÷ 5 = 12548) | 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 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 4) | 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 | Yes (62740 ÷ 10 = 6274) | 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 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 62740 a prime number?
No. 62740 = × 5 × 3137, so it is divisible by 2.
What are the factors of 62740?
1, 2, 4, 5, 10, 20, 3137, 6274, 12548, 15685, 31370, 62740.
What is 62740 in binary?
1111010100010100 (hexadecimal F514, octal 172424).
What is the square root of 62740?
About 250.4795, exactly 2√15685.
Is 62740 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 62740?
It is a composite number with 12 divisors.