The number 47383
47383 is a composite number with 6 divisors. Its prime factorisation is Ć 967. Divisors (6): 1, 7, 49, 967, 6769, 47383.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47383 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47383 is composite. Its prime factorisation is
- 3
The divisors add up to 55176; without 47383 itself that is 7793, so 47383 is deficient (7793 is less than 47383). Euler's totient Ļ(47383) = 40572 numbers up to 47383 share no factor with it.
- 4
The digits of 47383 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 75 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47383 = 7^{2} \times 967 \]47383 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 55176 |
| Euler totient Ļ(n) | 40572 |
| Square | 2245148689 |
| Cube | 106381880330887 |
| Square root | 217.676365 (= 7ā967) |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 75 |
| Scientific notation | 4.7383 Ć |
47383 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and eighty-three |
| Binary (base 2) | 1011100100010111 |
| Octal (base 8) | 134427 |
| Hexadecimal (base 16) | B917 |
| Base 3 | 2101222221 |
| As time | 47383 seconds = 13 h 9 min 43 s |
Is 47383 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 3) | 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 (47383 Ć· 7 = 6769) | 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 7) | 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 3) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47383 a prime number?
No. 47383 = Ć 967, so it is divisible by 7.
What are the factors of 47383?
1, 7, 49, 967, 6769, 47383.
What is 47383 in binary?
1011100100010111 (hexadecimal B917, octal 134427).
What is the square root of 47383?
About 217.6764, exactly 7ā967.
Is 47383 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 47383?
It is a composite number with 6 divisors.