The number 47384
47384 is a composite number with 8 divisors. Its prime factorisation is × 5923. Divisors (8): 1, 2, 4, 8, 5923, 11846, 23692, 47384.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47384 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47384 is composite. Its prime factorisation is
- 3
The divisors add up to 88860; without 47384 itself that is 41476, so 47384 is deficient (41476 is less than 47384). Euler's totient φ(47384) = 23688 numbers up to 47384 share no factor with it.
- 4
The digits of 47384 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 39 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47384 = 2^{3} \times 5923 \]47384 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 88860 |
| Euler totient φ(n) | 23688 |
| Square | 2245243456 |
| Cube | 106388615919104 |
| Square root | 217.678662 (= 2√11846) |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 39 |
| Scientific notation | 4.7384 × |
47384 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and eighty-four |
| Binary (base 2) | 1011100100011000 |
| Octal (base 8) | 134430 |
| Hexadecimal (base 16) | B918 |
| Base 3 | 2101222222 |
| As time | 47384 seconds = 13 h 9 min 44 s |
Is 47384 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (47384 ÷ 2 = 23692) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | Yes (47384 ÷ 4 = 11846) | 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 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 | Yes (47384 ÷ 8 = 5923) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | 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 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47384 a prime number?
No. 47384 = × 5923, so it is divisible by 2.
What are the factors of 47384?
1, 2, 4, 8, 5923, 11846, 23692, 47384.
What is 47384 in binary?
1011100100011000 (hexadecimal B918, octal 134430).
What is the square root of 47384?
About 217.6787, exactly 2√11846.
Is 47384 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 47384?
It is a composite number with 8 divisors.