The number 49231
49231 is a composite number with 8 divisors. Its prime factorisation is 7 × 13 × 541. Divisors (8): 1, 7, 13, 91, 541, 3787, 7033, 49231.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49231 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49231 is composite. Its prime factorisation is
- 3
The divisors add up to 60704; without 49231 itself that is 11473, so 49231 is deficient (11473 is less than 49231). Euler's totient φ(49231) = 38880 numbers up to 49231 share no factor with it.
- 4
The digits of 49231 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49231 = 7 \times 13 \times 541 \]
49231 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 60704 |
| Euler totient φ(n) | 38880 |
| Square | 2423691361 |
| Cube | 119320749393391 |
| Square root | 221.880599 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.9231 × |
49231 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand two hundred and thirty-one |
| Binary (base 2) | 1100000001001111 |
| Octal (base 8) | 140117 |
| Hexadecimal (base 16) | C04F |
| Base 3 | 2111112101 |
| As time | 49231 seconds = 13 h 40 min 31 s |
Is 49231 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 3) | 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (49231 ÷ 7 = 7033) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49231 a prime number?
No. 49231 = 7 × 13 × 541, so it is divisible by 7.
What are the factors of 49231?
1, 7, 13, 91, 541, 3787, 7033, 49231.
What is 49231 in binary?
1100000001001111 (hexadecimal C04F, octal 140117).
What is the square root of 49231?
About 221.8806.
Is 49231 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 49231?
It is a composite number with 8 divisors.