The number 24988
24988 is a composite number with 6 divisors. Its prime factorisation is × 6247. Divisors (6): 1, 2, 4, 6247, 12494, 24988.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
24988 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
24988 is composite. Its prime factorisation is
- 3
The divisors add up to 43736; without 24988 itself that is 18748, so 24988 is deficient (18748 is less than 24988). Euler's totient φ(24988) = 12492 numbers up to 24988 share no factor with it.
- 4
The digits of 24988 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 188 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24988 = 2^{2} \times 6247 \]24988 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 43736 |
| Euler totient φ(n) | 12492 |
| Square | 624400144 |
| Cube | 15602510798272 |
| Square root | 158.075931 (= 2√6247) |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 188 |
| Scientific notation | 2.4988 × |
24988 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand nine hundred and eighty-eight |
| Binary (base 2) | 110000110011100 |
| Octal (base 8) | 60634 |
| Hexadecimal (base 16) | 619C |
| Base 3 | 1021021111 |
| As time | 24988 seconds = 6 h 56 min 28 s |
Is 24988 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24988 ÷ 2 = 12494) | 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 | Yes (24988 ÷ 4 = 6247) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | 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 4) | 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 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24988 a prime number?
No. 24988 = × 6247, so it is divisible by 2.
What are the factors of 24988?
1, 2, 4, 6247, 12494, 24988.
What is 24988 in binary?
110000110011100 (hexadecimal 619C, octal 60634).
What is the square root of 24988?
About 158.0759, exactly 2√6247.
Is 24988 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 24988?
It is a composite number with 6 divisors.