The number 48985
48985 is a composite number with 8 divisors. Its prime factorisation is 5 × 97 × 101. Divisors (8): 1, 5, 97, 101, 485, 505, 9797, 48985.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48985 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48985 is composite. Its prime factorisation is
- 3
The divisors add up to 59976; without 48985 itself that is 10991, so 48985 is deficient (10991 is less than 48985). Euler's totient φ(48985) = 38400 numbers up to 48985 share no factor with it.
- 4
The digits of 48985 add up to 34, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48985 = 5 \times 97 \times 101 \]
48985 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 59976 |
| Euler totient φ(n) | 38400 |
| Square | 2399530225 |
| Cube | 117540988071625 |
| Square root | 221.325552 |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 65 |
| Scientific notation | 4.8985 × |
48985 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand nine hundred and eighty-five |
| Binary (base 2) | 1011111101011001 |
| Octal (base 8) | 137531 |
| Hexadecimal (base 16) | BF59 |
| Base 3 | 2111012021 |
| As time | 48985 seconds = 13 h 36 min 25 s |
Is 48985 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 (48985 ÷ 5 = 9797) | 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 | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | 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 2) | 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 48985 a prime number?
No. 48985 = 5 × 97 × 101, so it is divisible by 5.
What are the factors of 48985?
1, 5, 97, 101, 485, 505, 9797, 48985.
What is 48985 in binary?
1011111101011001 (hexadecimal BF59, octal 137531).
What is the square root of 48985?
About 221.3256.
Is 48985 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 48985?
It is a composite number with 8 divisors.