The number 47677
47677 is a composite number with 8 divisors. Its prime factorisation is Ć 139. Divisors (8): 1, 7, 49, 139, 343, 973, 6811, 47677.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47677 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47677 is composite. Its prime factorisation is
- 3
The divisors add up to 56000; without 47677 itself that is 8323, so 47677 is deficient (8323 is less than 47677). Euler's totient Ļ(47677) = 40572 numbers up to 47677 share no factor with it.
- 4
The digits of 47677 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 127 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47677 = 7^{3} \times 139 \]47677 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 56000 |
| Euler totient Ļ(n) | 40572 |
| Square | 2273096329 |
| Cube | 108374413677733 |
| Square root | 218.350635 (= 7ā973) |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 127 |
| Scientific notation | 4.7677 Ć |
47677 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand six hundred and seventy-seven |
| Binary (base 2) | 1011101000111101 |
| Octal (base 8) | 135075 |
| Hexadecimal (base 16) | BA3D |
| Base 3 | 2102101211 |
| As time | 47677 seconds = 13 h 14 min 37 s |
Is 47677 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 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 | Yes (47677 Ć· 7 = 6811) | 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 4) | 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 3) | 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 47677 a prime number?
No. 47677 = Ć 139, so it is divisible by 7.
What are the factors of 47677?
1, 7, 49, 139, 343, 973, 6811, 47677.
What is 47677 in binary?
1011101000111101 (hexadecimal BA3D, octal 135075).
What is the square root of 47677?
About 218.3506, exactly 7ā973.
Is 47677 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 47677?
It is a composite number with 8 divisors.