The number 48747
48747 is a composite number with 4 divisors. Its prime factorisation is 3 × 16249. Divisors (4): 1, 3, 16249, 48747.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48747: a semiprime: 3 × 16249, the product of two primes.
- 2
48747 is composite. Its prime factorisation is
- 3
The divisors add up to 65000; without 48747 itself that is 16253, so 48747 is deficient (16253 is less than 48747). Euler's totient φ(48747) = 32496 numbers up to 48747 share no factor with it.
- 4
The digits of 48747 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 70 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48747 = 3 \times 16249 \]
48747 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 65000 |
| Euler totient φ(n) | 32496 |
| Square | 2376270009 |
| Cube | 115836034128723 |
| Square root | 220.787228 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 70 |
| Scientific notation | 4.8747 × |
48747 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand seven hundred and forty-seven |
| Binary (base 2) | 1011111001101011 |
| Octal (base 8) | 137153 |
| Hexadecimal (base 16) | BE6B |
| Base 3 | 2110212110 |
| As time | 48747 seconds = 13 h 32 min 27 s |
Is 48747 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 | Yes (48747 ÷ 3 = 16249) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48747 a prime number?
No. 48747 = 3 × 16249, so it is divisible by 3.
What are the factors of 48747?
1, 3, 16249, 48747.
What is 48747 in binary?
1011111001101011 (hexadecimal BE6B, octal 137153).
What is the square root of 48747?
About 220.7872.
Is 48747 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 48747?
48747 is a semiprime: 3 × 16249, the product of two primes.