The number 47324
47324 is a composite number with 6 divisors. Its prime factorisation is × 11831. Divisors (6): 1, 2, 4, 11831, 23662, 47324.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 47324: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
47324 is composite. Its prime factorisation is
- 3
The divisors add up to 82824; without 47324 itself that is 35500, so 47324 is deficient (35500 is less than 47324). Euler's totient φ(47324) = 23660 numbers up to 47324 share no factor with it.
- 4
The digits of 47324 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 176 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47324 = 2^{2} \times 11831 \]47324 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 82824 |
| Euler totient φ(n) | 23660 |
| Square | 2239560976 |
| Cube | 105984983628224 |
| Square root | 217.540801 (= 2√11831) |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 176 |
| Scientific notation | 4.7324 × |
47324 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and twenty-four |
| Binary (base 2) | 1011100011011100 |
| Octal (base 8) | 134334 |
| Hexadecimal (base 16) | B8DC |
| Base 3 | 2101220202 |
| As time | 47324 seconds = 13 h 8 min 44 s |
Is 47324 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (47324 ÷ 2 = 23662) | 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 (47324 ÷ 4 = 11831) | 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 4) | 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | 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 2) | 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 47324 a prime number?
No. 47324 = × 11831, so it is divisible by 2.
What are the factors of 47324?
1, 2, 4, 11831, 23662, 47324.
What is 47324 in binary?
1011100011011100 (hexadecimal B8DC, octal 134334).
What is the square root of 47324?
About 217.5408, exactly 2√11831.
Is 47324 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 47324?
47324 is a happy number: repeatedly adding the squares of its digits reaches 1.