The number 49538
49538 is a composite number with 16 divisors. Its prime factorisation is 2 × 17 × 31 × 47. Divisors (16): 1, 2, 17, 31, 34, 47, 62, 94, 527, 799, 1054, 1457, 1598, 2914, 24769, 49538.
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How to work it out
- 1
49538 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49538 is composite. Its prime factorisation is
- 3
The divisors add up to 82944; without 49538 itself that is 33406, so 49538 is deficient (33406 is less than 49538). Euler's totient φ(49538) = 22080 numbers up to 49538 share no factor with it.
- 4
The digits of 49538 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
\[ 49538 = 2 \times 17 \times 31 \times 47 \]
49538 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 82944 |
| Euler totient φ(n) | 22080 |
| Square | 2454013444 |
| Cube | 121566917988872 |
| Square root | 222.571337 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.9538 × |
49538 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand five hundred and thirty-eight |
| Binary (base 2) | 1100000110000010 |
| Octal (base 8) | 140602 |
| Hexadecimal (base 16) | C182 |
| Base 3 | 2111221202 |
| As time | 49538 seconds = 13 h 45 min 38 s |
Is 49538 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49538 ÷ 2 = 24769) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 6) | 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 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49538 a prime number?
No. 49538 = 2 × 17 × 31 × 47, so it is divisible by 2.
What are the factors of 49538?
1, 2, 17, 31, 34, 47, 62, 94, 527, 799, 1054, 1457, 1598, 2914, 24769, 49538.
What is 49538 in binary?
1100000110000010 (hexadecimal C182, octal 140602).
What is the square root of 49538?
About 222.5713.
Is 49538 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 49538?
It is a composite number with 16 divisors.