The number 62428
62428 is a composite number with 6 divisors. Its prime factorisation is × 15607. Divisors (6): 1, 2, 4, 15607, 31214, 62428.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
62428 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
62428 is composite. Its prime factorisation is
- 3
The divisors add up to 109256; without 62428 itself that is 46828, so 62428 is deficient (46828 is less than 62428). Euler's totient φ(62428) = 31212 numbers up to 62428 share no factor with it.
- 4
The digits of 62428 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 148 steps to reach 1.
LaTeX source of the formulas on this page
\[ 62428 = 2^{2} \times 15607 \]62428 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 109256 |
| Euler totient φ(n) | 31212 |
| Square | 3897255184 |
| Cube | 243297846626752 |
| Square root | 249.855959 (= 2√15607) |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 148 |
| Scientific notation | 6.2428 × |
62428 in other forms
| Form | Value |
|---|---|
| In words | sixty-two thousand four hundred and twenty-eight |
| Binary (base 2) | 1111001111011100 |
| Octal (base 8) | 171734 |
| Hexadecimal (base 16) | F3DC |
| Base 3 | 10011122011 |
| As time | 62428 seconds = 17 h 20 min 28 s |
Is 62428 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (62428 ÷ 2 = 31214) | 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 (62428 ÷ 4 = 15607) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 2) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | 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 62428 a prime number?
No. 62428 = × 15607, so it is divisible by 2.
What are the factors of 62428?
1, 2, 4, 15607, 31214, 62428.
What is 62428 in binary?
1111001111011100 (hexadecimal F3DC, octal 171734).
What is the square root of 62428?
About 249.8560, exactly 2√15607.
Is 62428 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 62428?
It is a composite number with 6 divisors.