The number 42527
42527 is a composite number with 6 divisors. Its prime factorisation is 23 Ć . Divisors (6): 1, 23, 43, 989, 1849, 42527.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42527 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42527 is composite. Its prime factorisation is
- 3
The divisors add up to 45432; without 42527 itself that is 2905, so 42527 is deficient (2905 is less than 42527). Euler's totient Ļ(42527) = 39732 numbers up to 42527 share no factor with it.
- 4
The digits of 42527 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 62 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42527 = 23 \times 43^{2} \]42527 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 45432 |
| Euler totient Ļ(n) | 39732 |
| Square | 1808545729 |
| Cube | 76912024217183 |
| Square root | 206.220756 (= 43ā23) |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 62 |
| Scientific notation | 4.2527 Ć |
42527 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand five hundred and twenty-seven |
| Binary (base 2) | 1010011000011111 |
| Octal (base 8) | 123037 |
| Hexadecimal (base 16) | A61F |
| Base 3 | 2011100002 |
| As time | 42527 seconds = 11 h 48 min 47 s |
Is 42527 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 | No (remainder 2) | 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 5) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | 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 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42527 a prime number?
No. 42527 = 23 Ć , so it is divisible by 23.
What are the factors of 42527?
1, 23, 43, 989, 1849, 42527.
What is 42527 in binary?
1010011000011111 (hexadecimal A61F, octal 123037).
What is the square root of 42527?
About 206.2208, exactly 43ā23.
Is 42527 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 42527?
It is a composite number with 6 divisors.