The number 47027
47027 is a composite number with 8 divisors. Its prime factorisation is 31 × 37 × 41. Divisors (8): 1, 31, 37, 41, 1147, 1271, 1517, 47027.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47027 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47027 is composite. Its prime factorisation is
- 3
The divisors add up to 51072; without 47027 itself that is 4045, so 47027 is deficient (4045 is less than 47027). Euler's totient φ(47027) = 43200 numbers up to 47027 share no factor with it.
- 4
The digits of 47027 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 101 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47027 = 31 \times 37 \times 41 \]
47027 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 51072 |
| Euler totient φ(n) | 43200 |
| Square | 2211538729 |
| Cube | 104002031808683 |
| Square root | 216.857096 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 101 |
| Scientific notation | 4.7027 × |
47027 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand and twenty-seven |
| Binary (base 2) | 1011011110110011 |
| Octal (base 8) | 133663 |
| Hexadecimal (base 16) | B7B3 |
| Base 3 | 2101111202 |
| As time | 47027 seconds = 13 h 3 min 47 s |
Is 47027 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 2) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | 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 | No (remainder 3) | 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 7) | 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 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47027 a prime number?
No. 47027 = 31 × 37 × 41, so it is divisible by 31.
What are the factors of 47027?
1, 31, 37, 41, 1147, 1271, 1517, 47027.
What is 47027 in binary?
1011011110110011 (hexadecimal B7B3, octal 133663).
What is the square root of 47027?
About 216.8571.
Is 47027 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 47027?
It is a composite number with 8 divisors.