The number 49247
49247 is a composite number with 8 divisors. Its prime factorisation is Ć 37. Divisors (8): 1, 11, 37, 121, 407, 1331, 4477, 49247.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49247 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49247 is composite. Its prime factorisation is
- 3
The divisors add up to 55632; without 49247 itself that is 6385, so 49247 is deficient (6385 is less than 49247). Euler's totient Ļ(49247) = 43560 numbers up to 49247 share no factor with it.
- 4
The digits of 49247 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 83 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49247 = 11^{3} \times 37 \]49247 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 55632 |
| Euler totient Ļ(n) | 43560 |
| Square | 2425267009 |
| Cube | 119437124392223 |
| Square root | 221.916651 (= 11ā407) |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 83 |
| Scientific notation | 4.9247 Ć |
49247 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand two hundred and forty-seven |
| Binary (base 2) | 1100000001011111 |
| Octal (base 8) | 140137 |
| Hexadecimal (base 16) | C05F |
| Base 3 | 2111112222 |
| As time | 49247 seconds = 13 h 40 min 47 s |
Is 49247 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 2) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (49247 Ć· 11 = 4477) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49247 a prime number?
No. 49247 = Ć 37, so it is divisible by 11.
What are the factors of 49247?
1, 11, 37, 121, 407, 1331, 4477, 49247.
What is 49247 in binary?
1100000001011111 (hexadecimal C05F, octal 140137).
What is the square root of 49247?
About 221.9167, exactly 11ā407.
Is 49247 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 49247?
It is a composite number with 8 divisors.