The number 48685
48685 is a composite number with 16 divisors. Its prime factorisation is 5 × 7 × 13 × 107. Divisors (16): 1, 5, 7, 13, 35, 65, 91, 107, 455, 535, 749, 1391, 3745, 6955, 9737, 48685.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48685 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48685 is composite. Its prime factorisation is
- 3
The divisors add up to 72576; without 48685 itself that is 23891, so 48685 is deficient (23891 is less than 48685). Euler's totient φ(48685) = 30528 numbers up to 48685 share no factor with it.
- 4
The digits of 48685 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48685 = 5 \times 7 \times 13 \times 107 \]
48685 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 72576 |
| Euler totient φ(n) | 30528 |
| Square | 2370229225 |
| Cube | 115394609819125 |
| Square root | 220.646777 |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 158 |
| Scientific notation | 4.8685 × |
48685 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand six hundred and eighty-five |
| Binary (base 2) | 1011111000101101 |
| Octal (base 8) | 137055 |
| Hexadecimal (base 16) | BE2D |
| Base 3 | 2110210011 |
| As time | 48685 seconds = 13 h 31 min 25 s |
Is 48685 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (48685 ÷ 5 = 9737) | 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 (48685 ÷ 7 = 6955) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | 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 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48685 a prime number?
No. 48685 = 5 × 7 × 13 × 107, so it is divisible by 5.
What are the factors of 48685?
1, 5, 7, 13, 35, 65, 91, 107, 455, 535, 749, 1391, 3745, 6955, 9737, 48685.
What is 48685 in binary?
1011111000101101 (hexadecimal BE2D, octal 137055).
What is the square root of 48685?
About 220.6468.
Is 48685 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 48685?
It is a composite number with 16 divisors.