The number 47033
47033 is a composite number with 4 divisors. Its prime factorisation is 7 × 6719. Divisors (4): 1, 7, 6719, 47033.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 47033: a semiprime: 7 × 6719, the product of two primes.
- 2
47033 is composite. Its prime factorisation is
- 3
The divisors add up to 53760; without 47033 itself that is 6727, so 47033 is deficient (6727 is less than 47033). Euler's totient φ(47033) = 40308 numbers up to 47033 share no factor with it.
- 4
The digits of 47033 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 145 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47033 = 7 \times 6719 \]
47033 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 53760 |
| Euler totient φ(n) | 40308 |
| Square | 2212103089 |
| Cube | 104041844584937 |
| Square root | 216.870929 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 145 |
| Scientific notation | 4.7033 × |
47033 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand and thirty-three |
| Binary (base 2) | 1011011110111001 |
| Octal (base 8) | 133671 |
| Hexadecimal (base 16) | B7B9 |
| Base 3 | 2101111222 |
| As time | 47033 seconds = 13 h 3 min 53 s |
Is 47033 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 1) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (47033 ÷ 7 = 6719) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47033 a prime number?
No. 47033 = 7 × 6719, so it is divisible by 7.
What are the factors of 47033?
1, 7, 6719, 47033.
What is 47033 in binary?
1011011110111001 (hexadecimal B7B9, octal 133671).
What is the square root of 47033?
About 216.8709.
Is 47033 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 47033?
47033 is a semiprime: 7 × 6719, the product of two primes.