The number 49708
49708 is a composite number with 18 divisors. Its prime factorisation is × × 43. Divisors (18): 1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 578, 731, 1156, 1462, 2924, 12427 … 49708.
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How to work it out
- 1
49708 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49708 is composite. Its prime factorisation is
- 3
The divisors add up to 94556; without 49708 itself that is 44848, so 49708 is deficient (44848 is less than 49708). Euler's totient φ(49708) = 22848 numbers up to 49708 share no factor with it.
- 4
The digits of 49708 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49708 = 2^{2} \times 17^{2} \times 43 \]49708 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 18 |
| Sum of divisors | 94556 |
| Euler totient φ(n) | 22848 |
| Square | 2470885264 |
| Cube | 122822764702912 |
| Square root | 222.952910 (= 34√43) |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 65 |
| Scientific notation | 4.9708 × |
49708 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand seven hundred and eight |
| Binary (base 2) | 1100001000101100 |
| Octal (base 8) | 141054 |
| Hexadecimal (base 16) | C22C |
| Base 3 | 2112012001 |
| As time | 49708 seconds = 13 h 48 min 28 s |
Is 49708 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49708 ÷ 2 = 24854) | 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 | Yes (49708 ÷ 4 = 12427) | 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 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 1) | 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 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49708 a prime number?
No. 49708 = × × 43, so it is divisible by 2.
What are the factors of 49708?
1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 578, 731, 1156, 1462, 2924, 12427, 24854, 49708.
What is 49708 in binary?
1100001000101100 (hexadecimal C22C, octal 141054).
What is the square root of 49708?
About 222.9529, exactly 34√43.
Is 49708 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 49708?
It is a composite number with 18 divisors.