The number 24746
24746 is a composite number with 4 divisors. Its prime factorisation is 2 × 12373. Divisors (4): 1, 2, 12373, 24746.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24746: a semiprime: 2 × 12373, the product of two primes.
- 2
24746 is composite. Its prime factorisation is
- 3
The divisors add up to 37122; without 24746 itself that is 12376, so 24746 is deficient (12376 is less than 24746). Euler's totient φ(24746) = 12372 numbers up to 24746 share no factor with it.
- 4
The digits of 24746 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 126 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24746 = 2 \times 12373 \]
24746 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 37122 |
| Euler totient φ(n) | 12372 |
| Square | 612364516 |
| Cube | 15153572312936 |
| Square root | 157.308614 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 126 |
| Scientific notation | 2.4746 × |
24746 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand seven hundred and forty-six |
| Binary (base 2) | 110000010101010 |
| Octal (base 8) | 60252 |
| Hexadecimal (base 16) | 60AA |
| Base 3 | 1020221112 |
| As time | 24746 seconds = 6 h 52 min 26 s |
Is 24746 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24746 ÷ 2 = 12373) | 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 1) | 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 2) | 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 6) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24746 a prime number?
No. 24746 = 2 × 12373, so it is divisible by 2.
What are the factors of 24746?
1, 2, 12373, 24746.
What is 24746 in binary?
110000010101010 (hexadecimal 60AA, octal 60252).
What is the square root of 24746?
About 157.3086.
Is 24746 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 24746?
24746 is a semiprime: 2 × 12373, the product of two primes.