The number 24493
24493 is a composite number with 4 divisors. Its prime factorisation is 7 × 3499. Divisors (4): 1, 7, 3499, 24493.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24493: a semiprime: 7 × 3499, the product of two primes.
- 2
24493 is composite. Its prime factorisation is
- 3
The divisors add up to 28000; without 24493 itself that is 3507, so 24493 is deficient (3507 is less than 24493). Euler's totient φ(24493) = 20988 numbers up to 24493 share no factor with it.
- 4
The digits of 24493 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 188 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24493 = 7 \times 3499 \]
24493 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 28000 |
| Euler totient φ(n) | 20988 |
| Square | 599907049 |
| Cube | 14693523351157 |
| Square root | 156.502396 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 188 |
| Scientific notation | 2.4493 × |
24493 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand four hundred and ninety-three |
| Binary (base 2) | 101111110101101 |
| Octal (base 8) | 57655 |
| Hexadecimal (base 16) | 5FAD |
| Base 3 | 1020121011 |
| As time | 24493 seconds = 6 h 48 min 13 s |
Is 24493 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 | No (remainder 1) | 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 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (24493 ÷ 7 = 3499) | 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 5) | 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 3) | 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 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24493 a prime number?
No. 24493 = 7 × 3499, so it is divisible by 7.
What are the factors of 24493?
1, 7, 3499, 24493.
What is 24493 in binary?
101111110101101 (hexadecimal 5FAD, octal 57655).
What is the square root of 24493?
About 156.5024.
Is 24493 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 24493?
24493 is a semiprime: 7 × 3499, the product of two primes.