The number 47377
47377 is a composite number with 8 divisors. Its prime factorisation is 11 × 59 × 73. Divisors (8): 1, 11, 59, 73, 649, 803, 4307, 47377.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47377 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47377 is composite. Its prime factorisation is
- 3
The divisors add up to 53280; without 47377 itself that is 5903, so 47377 is deficient (5903 is less than 47377). Euler's totient φ(47377) = 41760 numbers up to 47377 share no factor with it.
- 4
The digits of 47377 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 189 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47377 = 11 \times 59 \times 73 \]
47377 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 53280 |
| Euler totient φ(n) | 41760 |
| Square | 2244580129 |
| Cube | 106341472771633 |
| Square root | 217.662583 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 189 |
| Scientific notation | 4.7377 × |
47377 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and seventy-seven |
| Binary (base 2) | 1011100100010001 |
| Octal (base 8) | 134421 |
| Hexadecimal (base 16) | B911 |
| Base 3 | 2101222201 |
| As time | 47377 seconds = 13 h 9 min 37 s |
Is 47377 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 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 1) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | 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 | Yes (47377 ÷ 11 = 4307) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47377 a prime number?
No. 47377 = 11 × 59 × 73, so it is divisible by 11.
What are the factors of 47377?
1, 11, 59, 73, 649, 803, 4307, 47377.
What is 47377 in binary?
1011100100010001 (hexadecimal B911, octal 134421).
What is the square root of 47377?
About 217.6626.
Is 47377 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 47377?
It is a composite number with 8 divisors.