The number 47329
47329 is a composite number with 8 divisors. Its prime factorisation is 19 × 47 × 53. Divisors (8): 1, 19, 47, 53, 893, 1007, 2491, 47329.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47329 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47329 is composite. Its prime factorisation is
- 3
The divisors add up to 51840; without 47329 itself that is 4511, so 47329 is deficient (4511 is less than 47329). Euler's totient φ(47329) = 43056 numbers up to 47329 share no factor with it.
- 4
The digits of 47329 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 313 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47329 = 19 \times 47 \times 53 \]
47329 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 51840 |
| Euler totient φ(n) | 43056 |
| Square | 2240034241 |
| Cube | 106018580592289 |
| Square root | 217.552293 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 313 |
| Scientific notation | 4.7329 × |
47329 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and twenty-nine |
| Binary (base 2) | 1011100011100001 |
| Octal (base 8) | 134341 |
| Hexadecimal (base 16) | B8E1 |
| Base 3 | 2101220221 |
| As time | 47329 seconds = 13 h 8 min 49 s |
Is 47329 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 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 1) | 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 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | 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 47329 a prime number?
No. 47329 = 19 × 47 × 53, so it is divisible by 19.
What are the factors of 47329?
1, 19, 47, 53, 893, 1007, 2491, 47329.
What is 47329 in binary?
1011100011100001 (hexadecimal B8E1, octal 134341).
What is the square root of 47329?
About 217.5523.
Is 47329 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 47329?
It is a composite number with 8 divisors.