The number 47462
47462 is a composite number with 8 divisors. Its prime factorisation is 2 × 19 × 1249. Divisors (8): 1, 2, 19, 38, 1249, 2498, 23731, 47462.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47462 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47462 is composite. Its prime factorisation is
- 3
The divisors add up to 75000; without 47462 itself that is 27538, so 47462 is deficient (27538 is less than 47462). Euler's totient φ(47462) = 22464 numbers up to 47462 share no factor with it.
- 4
The digits of 47462 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 75 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47462 = 2 \times 19 \times 1249 \]
47462 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 75000 |
| Euler totient φ(n) | 22464 |
| Square | 2252641444 |
| Cube | 106914868215128 |
| Square root | 217.857752 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 75 |
| Scientific notation | 4.7462 × |
47462 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand four hundred and sixty-two |
| Binary (base 2) | 1011100101100110 |
| Octal (base 8) | 134546 |
| Hexadecimal (base 16) | B966 |
| Base 3 | 2102002212 |
| As time | 47462 seconds = 13 h 11 min 2 s |
Is 47462 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (47462 ÷ 2 = 23731) | 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 2) | 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 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 6) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47462 a prime number?
No. 47462 = 2 × 19 × 1249, so it is divisible by 2.
What are the factors of 47462?
1, 2, 19, 38, 1249, 2498, 23731, 47462.
What is 47462 in binary?
1011100101100110 (hexadecimal B966, octal 134546).
What is the square root of 47462?
About 217.8578.
Is 47462 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 47462?
It is a composite number with 8 divisors.