The number 49124
49124 is a composite number with 6 divisors. Its prime factorisation is × 12281. Divisors (6): 1, 2, 4, 12281, 24562, 49124.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49124 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49124 is composite. Its prime factorisation is
- 3
The divisors add up to 85974; without 49124 itself that is 36850, so 49124 is deficient (36850 is less than 49124). Euler's totient φ(49124) = 24560 numbers up to 49124 share no factor with it.
- 4
The digits of 49124 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 127 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49124 = 2^{2} \times 12281 \]49124 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 85974 |
| Euler totient φ(n) | 24560 |
| Square | 2413167376 |
| Cube | 118544434178624 |
| Square root | 221.639347 (= 2√12281) |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 127 |
| Scientific notation | 4.9124 × |
49124 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand one hundred and twenty-four |
| Binary (base 2) | 1011111111100100 |
| Octal (base 8) | 137744 |
| Hexadecimal (base 16) | BFE4 |
| Base 3 | 2111101102 |
| As time | 49124 seconds = 13 h 38 min 44 s |
Is 49124 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49124 ÷ 2 = 24562) | 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 | Yes (49124 ÷ 4 = 12281) | 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 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49124 a prime number?
No. 49124 = × 12281, so it is divisible by 2.
What are the factors of 49124?
1, 2, 4, 12281, 24562, 49124.
What is 49124 in binary?
1011111111100100 (hexadecimal BFE4, octal 137744).
What is the square root of 49124?
About 221.6393, exactly 2√12281.
Is 49124 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 49124?
It is a composite number with 6 divisors.