The number 62427
62427 is a composite number with 4 divisors. Its prime factorisation is 3 × 20809. Divisors (4): 1, 3, 20809, 62427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 62427: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 3 × 20809, the product of two primes.
- 2
62427 is composite. Its prime factorisation is
- 3
The divisors add up to 83240; without 62427 itself that is 20813, so 62427 is deficient (20813 is less than 62427). Euler's totient φ(62427) = 41616 numbers up to 62427 share no factor with it.
- 4
The digits of 62427 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 73 steps to reach 1.
LaTeX source of the formulas on this page
\[ 62427 = 3 \times 20809 \]
62427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 83240 |
| Euler totient φ(n) | 41616 |
| Square | 3897130329 |
| Cube | 243286155048483 |
| Square root | 249.853957 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 73 |
| Scientific notation | 6.2427 × |
62427 in other forms
| Form | Value |
|---|---|
| In words | sixty-two thousand four hundred and twenty-seven |
| Binary (base 2) | 1111001111011011 |
| Octal (base 8) | 171733 |
| Hexadecimal (base 16) | F3DB |
| Base 3 | 10011122010 |
| As time | 62427 seconds = 17 h 20 min 27 s |
Is 62427 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 | Yes (62427 ÷ 3 = 20809) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 3) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 62427 a prime number?
No. 62427 = 3 × 20809, so it is divisible by 3.
What are the factors of 62427?
1, 3, 20809, 62427.
What is 62427 in binary?
1111001111011011 (hexadecimal F3DB, octal 171733).
What is the square root of 62427?
About 249.8540.
Is 62427 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 62427?
62427 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 3 × 20809, the product of two primes.