The number 97425
97425 is a composite number with 18 divisors. Its prime factorisation is × × 433. Divisors (18): 1, 3, 5, 9, 15, 25, 45, 75, 225, 433, 1299, 2165, 3897, 6495, 10825, 19485 … 97425.
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How to work it out
- 1
97425 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
97425 is composite. Its prime factorisation is
- 3
The divisors add up to 174902; without 97425 itself that is 77477, so 97425 is deficient (77477 is less than 97425). Euler's totient φ(97425) = 51840 numbers up to 97425 share no factor with it.
- 4
The digits of 97425 add up to 27, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 84 steps to reach 1.
LaTeX source of the formulas on this page
\[ 97425 = 3^{2} \times 5^{2} \times 433 \]97425 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 18 |
| Sum of divisors | 174902 |
| Euler totient φ(n) | 51840 |
| Square | 9491630625 |
| Cube | 924722113640625 |
| Square root | 312.129781 (= 15√433) |
| Digit sum / digital root | 27 / 9 |
| Collatz steps to 1 | 84 |
| Scientific notation | 9.7425 × |
97425 in other forms
| Form | Value |
|---|---|
| In words | ninety-seven thousand four hundred and twenty-five |
| Binary (base 2) | 10111110010010001 |
| Octal (base 8) | 276221 |
| Hexadecimal (base 16) | 17C91 |
| Base 3 | 11221122100 |
| As time | 97425 seconds = 27 h 3 min 45 s |
Is 97425 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 | Yes (97425 ÷ 3 = 32475) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (97425 ÷ 5 = 19485) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (97425 ÷ 9 = 10825) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 97425 a prime number?
No. 97425 = × × 433, so it is divisible by 3.
What are the factors of 97425?
1, 3, 5, 9, 15, 25, 45, 75, 225, 433, 1299, 2165, 3897, 6495, 10825, 19485, 32475, 97425.
What is 97425 in binary?
10111110010010001 (hexadecimal 17C91, octal 276221).
What is the square root of 97425?
About 312.1298, exactly 15√433.
Is 97425 divisible by 3?
Yes. Its digits add up to 27, a multiple of 3.
What is special about the number 97425?
It is a composite number with 18 divisors.