The number 48493
48493 is a composite number with 4 divisors. Its prime factorisation is 71 × 683. Divisors (4): 1, 71, 683, 48493.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48493: a semiprime: 71 × 683, the product of two primes.
- 2
48493 is composite. Its prime factorisation is
- 3
The divisors add up to 49248; without 48493 itself that is 755, so 48493 is deficient (755 is less than 48493). Euler's totient φ(48493) = 47740 numbers up to 48493 share no factor with it.
- 4
The digits of 48493 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 83 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48493 = 71 \times 683 \]
48493 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 49248 |
| Euler totient φ(n) | 47740 |
| Square | 2351571049 |
| Cube | 114034734879157 |
| Square root | 220.211262 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 83 |
| Scientific notation | 4.8493 × |
48493 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand four hundred and ninety-three |
| Binary (base 2) | 1011110101101101 |
| Octal (base 8) | 136555 |
| Hexadecimal (base 16) | BD6D |
| Base 3 | 2110112001 |
| As time | 48493 seconds = 13 h 28 min 13 s |
Is 48493 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 | No (remainder 3) | 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 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 5) | 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 3) | 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 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48493 a prime number?
No. 48493 = 71 × 683, so it is divisible by 71.
What are the factors of 48493?
1, 71, 683, 48493.
What is 48493 in binary?
1011110101101101 (hexadecimal BD6D, octal 136555).
What is the square root of 48493?
About 220.2113.
Is 48493 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 48493?
48493 is a semiprime: 71 × 683, the product of two primes.