The number 47467
47467 is a composite number with 4 divisors. Its prime factorisation is 7 × 6781. Divisors (4): 1, 7, 6781, 47467.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 47467: a semiprime: 7 × 6781, the product of two primes.
- 2
47467 is composite. Its prime factorisation is
- 3
The divisors add up to 54256; without 47467 itself that is 6789, so 47467 is deficient (6789 is less than 47467). Euler's totient φ(47467) = 40680 numbers up to 47467 share no factor with it.
- 4
The digits of 47467 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 145 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47467 = 7 \times 6781 \]
47467 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 54256 |
| Euler totient φ(n) | 40680 |
| Square | 2253116089 |
| Cube | 106948661396563 |
| Square root | 217.869227 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 145 |
| Scientific notation | 4.7467 × |
47467 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand four hundred and sixty-seven |
| Binary (base 2) | 1011100101101011 |
| Octal (base 8) | 134553 |
| Hexadecimal (base 16) | B96B |
| Base 3 | 2102010001 |
| As time | 47467 seconds = 13 h 11 min 7 s |
Is 47467 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 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (47467 ÷ 7 = 6781) | 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 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 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47467 a prime number?
No. 47467 = 7 × 6781, so it is divisible by 7.
What are the factors of 47467?
1, 7, 6781, 47467.
What is 47467 in binary?
1011100101101011 (hexadecimal B96B, octal 134553).
What is the square root of 47467?
About 217.8692.
Is 47467 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 47467?
47467 is a semiprime: 7 × 6781, the product of two primes.