The number 47707
47707 is a composite number with 4 divisors. Its prime factorisation is 11 × 4337. Divisors (4): 1, 11, 4337, 47707.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 47707: a semiprime: 11 × 4337, the product of two primes.
- 2
47707 is composite. Its prime factorisation is
- 3
The divisors add up to 52056; without 47707 itself that is 4349, so 47707 is deficient (4349 is less than 47707). Euler's totient φ(47707) = 43360 numbers up to 47707 share no factor with it.
- 4
The digits of 47707 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 127 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47707 = 11 \times 4337 \]
47707 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 52056 |
| Euler totient φ(n) | 43360 |
| Square | 2275957849 |
| Cube | 108579121102243 |
| Square root | 218.419321 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 127 |
| Scientific notation | 4.7707 × |
47707 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand seven hundred and seven |
| Binary (base 2) | 1011101001011011 |
| Octal (base 8) | 135133 |
| Hexadecimal (base 16) | BA5B |
| Base 3 | 2102102221 |
| As time | 47707 seconds = 13 h 15 min 7 s |
Is 47707 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 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 7) | 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 | Yes (47707 ÷ 11 = 4337) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47707 a prime number?
No. 47707 = 11 × 4337, so it is divisible by 11.
What are the factors of 47707?
1, 11, 4337, 47707.
What is 47707 in binary?
1011101001011011 (hexadecimal BA5B, octal 135133).
What is the square root of 47707?
About 218.4193.
Is 47707 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 47707?
47707 is a semiprime: 11 × 4337, the product of two primes.