The number 47048
47048 is a composite number with 8 divisors. Its prime factorisation is × 5881. Divisors (8): 1, 2, 4, 8, 5881, 11762, 23524, 47048.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47048 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47048 is composite. Its prime factorisation is
- 3
The divisors add up to 88230; without 47048 itself that is 41182, so 47048 is deficient (41182 is less than 47048). Euler's totient φ(47048) = 23520 numbers up to 47048 share no factor with it.
- 4
The digits of 47048 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 52 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47048 = 2^{3} \times 5881 \]47048 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 88230 |
| Euler totient φ(n) | 23520 |
| Square | 2213514304 |
| Cube | 104141420974592 |
| Square root | 216.905509 (= 2√11762) |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 52 |
| Scientific notation | 4.7048 × |
47048 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand and forty-eight |
| Binary (base 2) | 1011011111001000 |
| Octal (base 8) | 133710 |
| Hexadecimal (base 16) | B7C8 |
| Base 3 | 2101112112 |
| As time | 47048 seconds = 13 h 4 min 8 s |
Is 47048 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (47048 ÷ 2 = 23524) | 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 (47048 ÷ 4 = 11762) | 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 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 (47048 ÷ 8 = 5881) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | 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 1) | 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 47048 a prime number?
No. 47048 = × 5881, so it is divisible by 2.
What are the factors of 47048?
1, 2, 4, 8, 5881, 11762, 23524, 47048.
What is 47048 in binary?
1011011111001000 (hexadecimal B7C8, octal 133710).
What is the square root of 47048?
About 216.9055, exactly 2√11762.
Is 47048 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 47048?
It is a composite number with 8 divisors.