The number 47848
47848 is a composite number with 8 divisors. Its prime factorisation is × 5981. Divisors (8): 1, 2, 4, 8, 5981, 11962, 23924, 47848.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47848 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47848 is composite. Its prime factorisation is
- 3
The divisors add up to 89730; without 47848 itself that is 41882, so 47848 is deficient (41882 is less than 47848). Euler's totient φ(47848) = 23920 numbers up to 47848 share no factor with it.
- 4
The digits of 47848 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 52 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47848 = 2^{3} \times 5981 \]47848 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 89730 |
| Euler totient φ(n) | 23920 |
| Square | 2289431104 |
| Cube | 109544699464192 |
| Square root | 218.741857 (= 2√11962) |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 52 |
| Scientific notation | 4.7848 × |
47848 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand eight hundred and forty-eight |
| Binary (base 2) | 1011101011101000 |
| Octal (base 8) | 135350 |
| Hexadecimal (base 16) | BAE8 |
| Base 3 | 2102122011 |
| As time | 47848 seconds = 13 h 17 min 28 s |
Is 47848 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (47848 ÷ 2 = 23924) | 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 | Yes (47848 ÷ 4 = 11962) | 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 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 (47848 ÷ 8 = 5981) | 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 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47848 a prime number?
No. 47848 = × 5981, so it is divisible by 2.
What are the factors of 47848?
1, 2, 4, 8, 5981, 11962, 23924, 47848.
What is 47848 in binary?
1011101011101000 (hexadecimal BAE8, octal 135350).
What is the square root of 47848?
About 218.7419, exactly 2√11962.
Is 47848 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 47848?
It is a composite number with 8 divisors.