The number 52842
52842 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 8807. Divisors (8): 1, 2, 3, 6, 8807, 17614, 26421, 52842.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
52842 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
52842 is composite. Its prime factorisation is
- 3
The divisors add up to 105696; without 52842 itself that is 52854, so 52842 is abundant (52854 is more than 52842). Euler's totient φ(52842) = 17612 numbers up to 52842 share no factor with it.
- 4
The digits of 52842 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 140 steps to reach 1.
LaTeX source of the formulas on this page
\[ 52842 = 2 \times 3 \times 8807 \]
52842 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 105696 |
| Euler totient φ(n) | 17612 |
| Square | 2792276964 |
| Cube | 147549499331688 |
| Square root | 229.873878 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 140 |
| Scientific notation | 5.2842 × |
52842 in other forms
| Form | Value |
|---|---|
| In words | fifty-two thousand eight hundred and forty-two |
| Binary (base 2) | 1100111001101010 |
| Octal (base 8) | 147152 |
| Hexadecimal (base 16) | CE6A |
| Base 3 | 2200111010 |
| As time | 52842 seconds = 14 h 40 min 42 s |
Is 52842 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (52842 ÷ 2 = 26421) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (52842 ÷ 3 = 17614) | 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 | Yes (52842 ÷ 6 = 8807) | 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 2) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 52842 a prime number?
No. 52842 = 2 × 3 × 8807, so it is divisible by 2.
What are the factors of 52842?
1, 2, 3, 6, 8807, 17614, 26421, 52842.
What is 52842 in binary?
1100111001101010 (hexadecimal CE6A, octal 147152).
What is the square root of 52842?
About 229.8739.
Is 52842 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 52842?
It is a composite number with 8 divisors.