The number 62620
62620 is a composite number with 24 divisors. Its prime factorisation is × 5 × 31 × 101. Divisors (24): 1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620 … 62620.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
62620 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
62620 is composite. Its prime factorisation is
- 3
The divisors add up to 137088; without 62620 itself that is 74468, so 62620 is abundant (74468 is more than 62620). Euler's totient φ(62620) = 24000 numbers up to 62620 share no factor with it.
- 4
The digits of 62620 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 55 steps to reach 1.
LaTeX source of the formulas on this page
\[ 62620 = 2^{2} \times 5 \times 31 \times 101 \]62620 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 137088 |
| Euler totient φ(n) | 24000 |
| Square | 3921264400 |
| Cube | 245549576728000 |
| Square root | 250.239885 (= 2√15655) |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 55 |
| Scientific notation | 6.262 × |
62620 in other forms
| Form | Value |
|---|---|
| In words | sixty-two thousand six hundred and twenty |
| Binary (base 2) | 1111010010011100 |
| Octal (base 8) | 172234 |
| Hexadecimal (base 16) | F49C |
| Base 3 | 10011220021 |
| As time | 62620 seconds = 17 h 23 min 40 s |
Is 62620 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (62620 ÷ 2 = 31310) | 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 (62620 ÷ 4 = 15655) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (62620 ÷ 5 = 12524) | 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 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (62620 ÷ 10 = 6262) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | 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 62620 a prime number?
No. 62620 = × 5 × 31 × 101, so it is divisible by 2.
What are the factors of 62620?
1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 6262, 12524, 15655, 31310, 62620.
What is 62620 in binary?
1111010010011100 (hexadecimal F49C, octal 172234).
What is the square root of 62620?
About 250.2399, exactly 2√15655.
Is 62620 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 62620?
It is a composite number with 24 divisors.