The number 62842
62842 is a composite number with 8 divisors. Its prime factorisation is 2 × 13 × 2417. Divisors (8): 1, 2, 13, 26, 2417, 4834, 31421, 62842.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
62842 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
62842 is composite. Its prime factorisation is
- 3
The divisors add up to 101556; without 62842 itself that is 38714, so 62842 is deficient (38714 is less than 62842). Euler's totient φ(62842) = 28992 numbers up to 62842 share no factor with it.
- 4
The digits of 62842 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 86 steps to reach 1.
LaTeX source of the formulas on this page
\[ 62842 = 2 \times 13 \times 2417 \]
62842 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 101556 |
| Euler totient φ(n) | 28992 |
| Square | 3949116964 |
| Cube | 248170408251688 |
| Square root | 250.683067 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 86 |
| Scientific notation | 6.2842 × |
62842 in other forms
| Form | Value |
|---|---|
| In words | sixty-two thousand eight hundred and forty-two |
| Binary (base 2) | 1111010101111010 |
| Octal (base 8) | 172572 |
| Hexadecimal (base 16) | F57A |
| Base 3 | 10012012111 |
| As time | 62842 seconds = 17 h 27 min 22 s |
Is 62842 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (62842 ÷ 2 = 31421) | 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 3) | 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 2) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 62842 a prime number?
No. 62842 = 2 × 13 × 2417, so it is divisible by 2.
What are the factors of 62842?
1, 2, 13, 26, 2417, 4834, 31421, 62842.
What is 62842 in binary?
1111010101111010 (hexadecimal F57A, octal 172572).
What is the square root of 62842?
About 250.6831.
Is 62842 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 62842?
It is a composite number with 8 divisors.