The number 42452
42452 is a composite number with 6 divisors. Its prime factorisation is × 10613. Divisors (6): 1, 2, 4, 10613, 21226, 42452.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42452 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42452 is composite. Its prime factorisation is
- 3
The divisors add up to 74298; without 42452 itself that is 31846, so 42452 is deficient (31846 is less than 42452). Euler's totient φ(42452) = 21224 numbers up to 42452 share no factor with it.
- 4
The digits of 42452 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 31 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42452 = 2^{2} \times 10613 \]42452 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 74298 |
| Euler totient φ(n) | 21224 |
| Square | 1802172304 |
| Cube | 76505818649408 |
| Square root | 206.038831 (= 2√10613) |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 31 |
| Scientific notation | 4.2452 × |
42452 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand four hundred and fifty-two |
| Binary (base 2) | 1010010111010100 |
| Octal (base 8) | 122724 |
| Hexadecimal (base 16) | A5D4 |
| Base 3 | 2011020022 |
| As time | 42452 seconds = 11 h 47 min 32 s |
Is 42452 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (42452 ÷ 2 = 21226) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | Yes (42452 ÷ 4 = 10613) | 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 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 8) | 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 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42452 a prime number?
No. 42452 = × 10613, so it is divisible by 2.
What are the factors of 42452?
1, 2, 4, 10613, 21226, 42452.
What is 42452 in binary?
1010010111010100 (hexadecimal A5D4, octal 122724).
What is the square root of 42452?
About 206.0388, exactly 2√10613.
Is 42452 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 42452?
It is a composite number with 6 divisors.