The number 24790
24790 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 37 × 67. Divisors (16): 1, 2, 5, 10, 37, 67, 74, 134, 185, 335, 370, 670, 2479, 4958, 12395, 24790.
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How to work it out
- 1
24790 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
24790 is composite. Its prime factorisation is
- 3
The divisors add up to 46512; without 24790 itself that is 21722, so 24790 is deficient (21722 is less than 24790). Euler's totient φ(24790) = 9504 numbers up to 24790 share no factor with it.
- 4
The digits of 24790 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 157 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24790 = 2 \times 5 \times 37 \times 67 \]
24790 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 46512 |
| Euler totient φ(n) | 9504 |
| Square | 614544100 |
| Cube | 15234548239000 |
| Square root | 157.448404 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 157 |
| Scientific notation | 2.479 × |
24790 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand seven hundred and ninety |
| Binary (base 2) | 110000011010110 |
| Octal (base 8) | 60326 |
| Hexadecimal (base 16) | 60D6 |
| Base 3 | 1021000011 |
| As time | 24790 seconds = 6 h 53 min 10 s |
Is 24790 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24790 ÷ 2 = 12395) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (24790 ÷ 5 = 4958) | 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 3) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (24790 ÷ 10 = 2479) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24790 a prime number?
No. 24790 = 2 × 5 × 37 × 67, so it is divisible by 2.
What are the factors of 24790?
1, 2, 5, 10, 37, 67, 74, 134, 185, 335, 370, 670, 2479, 4958, 12395, 24790.
What is 24790 in binary?
110000011010110 (hexadecimal 60D6, octal 60326).
What is the square root of 24790?
About 157.4484.
Is 24790 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 24790?
It is a composite number with 16 divisors.