The number 48709
48709 is a composite number with 4 divisors. Its prime factorisation is 67 × 727. Divisors (4): 1, 67, 727, 48709.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48709: a semiprime: 67 × 727, the product of two primes.
- 2
48709 is composite. Its prime factorisation is
- 3
The divisors add up to 49504; without 48709 itself that is 795, so 48709 is deficient (795 is less than 48709). Euler's totient φ(48709) = 47916 numbers up to 48709 share no factor with it.
- 4
The digits of 48709 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
\[ 48709 = 67 \times 727 \]
48709 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 49504 |
| Euler totient φ(n) | 47916 |
| Square | 2372566681 |
| Cube | 115565350464829 |
| Square root | 220.701155 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 65 |
| Scientific notation | 4.8709 × |
48709 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand seven hundred and nine |
| Binary (base 2) | 1011111001000101 |
| Octal (base 8) | 137105 |
| Hexadecimal (base 16) | BE45 |
| Base 3 | 2110211001 |
| As time | 48709 seconds = 13 h 31 min 49 s |
Is 48709 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 4) | 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 3) | 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 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | 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 48709 a prime number?
No. 48709 = 67 × 727, so it is divisible by 67.
What are the factors of 48709?
1, 67, 727, 48709.
What is 48709 in binary?
1011111001000101 (hexadecimal BE45, octal 137105).
What is the square root of 48709?
About 220.7012.
Is 48709 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 48709?
48709 is a semiprime: 67 × 727, the product of two primes.