The number 24946
24946 is a composite number with 4 divisors. Its prime factorisation is 2 × 12473. Divisors (4): 1, 2, 12473, 24946.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24946: a semiprime: 2 × 12473, the product of two primes.
- 2
24946 is composite. Its prime factorisation is
- 3
The divisors add up to 37422; without 24946 itself that is 12476, so 24946 is deficient (12476 is less than 24946). Euler's totient φ(24946) = 12472 numbers up to 24946 share no factor with it.
- 4
The digits of 24946 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 201 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24946 = 2 \times 12473 \]
24946 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 37422 |
| Euler totient φ(n) | 12472 |
| Square | 622302916 |
| Cube | 15523968542536 |
| Square root | 157.943028 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 201 |
| Scientific notation | 2.4946 × |
24946 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand nine hundred and forty-six |
| Binary (base 2) | 110000101110010 |
| Octal (base 8) | 60562 |
| Hexadecimal (base 16) | 6172 |
| Base 3 | 1021012221 |
| As time | 24946 seconds = 6 h 55 min 46 s |
Is 24946 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24946 ÷ 2 = 12473) | 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 | No (remainder 1) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | 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 9) | 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 24946 a prime number?
No. 24946 = 2 × 12473, so it is divisible by 2.
What are the factors of 24946?
1, 2, 12473, 24946.
What is 24946 in binary?
110000101110010 (hexadecimal 6172, octal 60562).
What is the square root of 24946?
About 157.9430.
Is 24946 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 24946?
24946 is a semiprime: 2 × 12473, the product of two primes.