The number 24974
24974 is a composite number with 4 divisors. Its prime factorisation is 2 × 12487. Divisors (4): 1, 2, 12487, 24974.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24974: a semiprime: 2 × 12487, the product of two primes.
- 2
24974 is composite. Its prime factorisation is
- 3
The divisors add up to 37464; without 24974 itself that is 12490, so 24974 is deficient (12490 is less than 24974). Euler's totient φ(24974) = 12486 numbers up to 24974 share no factor with it.
- 4
The digits of 24974 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 87 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24974 = 2 \times 12487 \]
24974 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 37464 |
| Euler totient φ(n) | 12486 |
| Square | 623700676 |
| Cube | 15576300682424 |
| Square root | 158.031642 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 87 |
| Scientific notation | 2.4974 × |
24974 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand nine hundred and seventy-four |
| Binary (base 2) | 110000110001110 |
| Octal (base 8) | 60616 |
| Hexadecimal (base 16) | 618E |
| Base 3 | 1021020222 |
| As time | 24974 seconds = 6 h 56 min 14 s |
Is 24974 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24974 ÷ 2 = 12487) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | 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 5) | 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 6) | 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 4) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24974 a prime number?
No. 24974 = 2 × 12487, so it is divisible by 2.
What are the factors of 24974?
1, 2, 12487, 24974.
What is 24974 in binary?
110000110001110 (hexadecimal 618E, octal 60616).
What is the square root of 24974?
About 158.0316.
Is 24974 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 24974?
24974 is a semiprime: 2 × 12487, the product of two primes.