The number 42475
42475 is a composite number with 6 divisors. Its prime factorisation is Ć 1699. Divisors (6): 1, 5, 25, 1699, 8495, 42475.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
42475 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
42475 is composite. Its prime factorisation is
- 3
The divisors add up to 52700; without 42475 itself that is 10225, so 42475 is deficient (10225 is less than 42475). Euler's totient Ļ(42475) = 33960 numbers up to 42475 share no factor with it.
- 4
The digits of 42475 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 256 steps to reach 1.
LaTeX source of the formulas on this page
\[ 42475 = 5^{2} \times 1699 \]42475 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 52700 |
| Euler totient Ļ(n) | 33960 |
| Square | 1804125625 |
| Cube | 76630235921875 |
| Square root | 206.094638 (= 5ā1699) |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 256 |
| Scientific notation | 4.2475 Ć |
42475 in other forms
| Form | Value |
|---|---|
| In words | forty-two thousand four hundred and seventy-five |
| Binary (base 2) | 1010010111101011 |
| Octal (base 8) | 122753 |
| Hexadecimal (base 16) | A5EB |
| Base 3 | 2011021011 |
| As time | 42475 seconds = 11 h 47 min 55 s |
Is 42475 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 1) | 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 | Yes (42475 Ć· 5 = 8495) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | 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 3) | 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 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 42475 a prime number?
No. 42475 = Ć 1699, so it is divisible by 5.
What are the factors of 42475?
1, 5, 25, 1699, 8495, 42475.
What is 42475 in binary?
1010010111101011 (hexadecimal A5EB, octal 122753).
What is the square root of 42475?
About 206.0946, exactly 5ā1699.
Is 42475 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 42475?
It is a composite number with 6 divisors.