The number 49907
49907 is a composite number with 8 divisors. Its prime factorisation is 11 × 13 × 349. Divisors (8): 1, 11, 13, 143, 349, 3839, 4537, 49907.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49907 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49907 is composite. Its prime factorisation is
- 3
The divisors add up to 58800; without 49907 itself that is 8893, so 49907 is deficient (8893 is less than 49907). Euler's totient φ(49907) = 41760 numbers up to 49907 share no factor with it.
- 4
The digits of 49907 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49907 = 11 \times 13 \times 349 \]
49907 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 58800 |
| Euler totient φ(n) | 41760 |
| Square | 2490708649 |
| Cube | 124303796545643 |
| Square root | 223.398747 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.9907 × |
49907 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand nine hundred and seven |
| Binary (base 2) | 1100001011110011 |
| Octal (base 8) | 141363 |
| Hexadecimal (base 16) | C2F3 |
| Base 3 | 2112110102 |
| As time | 49907 seconds = 13 h 51 min 47 s |
Is 49907 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 4) | 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 3) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (49907 ÷ 11 = 4537) | 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 49907 a prime number?
No. 49907 = 11 × 13 × 349, so it is divisible by 11.
What are the factors of 49907?
1, 11, 13, 143, 349, 3839, 4537, 49907.
What is 49907 in binary?
1100001011110011 (hexadecimal C2F3, octal 141363).
What is the square root of 49907?
About 223.3987.
Is 49907 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 49907?
It is a composite number with 8 divisors.