The number 24494
24494 is a composite number with 8 divisors. Its prime factorisation is 2 × 37 × 331. Divisors (8): 1, 2, 37, 74, 331, 662, 12247, 24494.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24494: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
24494 is composite. Its prime factorisation is
- 3
The divisors add up to 37848; without 24494 itself that is 13354, so 24494 is deficient (13354 is less than 24494). Euler's totient φ(24494) = 11880 numbers up to 24494 share no factor with it.
- 4
The digits of 24494 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 188 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24494 = 2 \times 37 \times 331 \]
24494 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 37848 |
| Euler totient φ(n) | 11880 |
| Square | 599956036 |
| Cube | 14695323145784 |
| Square root | 156.505591 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 188 |
| Scientific notation | 2.4494 × |
24494 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand four hundred and ninety-four |
| Binary (base 2) | 101111110101110 |
| Octal (base 8) | 57656 |
| Hexadecimal (base 16) | 5FAE |
| Base 3 | 1020121012 |
| As time | 24494 seconds = 6 h 48 min 14 s |
Is 24494 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24494 ÷ 2 = 12247) | 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 1) | 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 5) | 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 8) | 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 24494 a prime number?
No. 24494 = 2 × 37 × 331, so it is divisible by 2.
What are the factors of 24494?
1, 2, 37, 74, 331, 662, 12247, 24494.
What is 24494 in binary?
101111110101110 (hexadecimal 5FAE, octal 57656).
What is the square root of 24494?
About 156.5056.
Is 24494 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 24494?
24494 is a happy number: repeatedly adding the squares of its digits reaches 1.