The number 49047
49047 is a composite number with 4 divisors. Its prime factorisation is 3 × 16349. Divisors (4): 1, 3, 16349, 49047.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49047: a semiprime: 3 × 16349, the product of two primes.
- 2
49047 is composite. Its prime factorisation is
- 3
The divisors add up to 65400; without 49047 itself that is 16353, so 49047 is deficient (16353 is less than 49047). Euler's totient φ(49047) = 32696 numbers up to 49047 share no factor with it.
- 4
The digits of 49047 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 114 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49047 = 3 \times 16349 \]
49047 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 65400 |
| Euler totient φ(n) | 32696 |
| Square | 2405608209 |
| Cube | 117987865826823 |
| Square root | 221.465573 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 114 |
| Scientific notation | 4.9047 × |
49047 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand and forty-seven |
| Binary (base 2) | 1011111110010111 |
| Octal (base 8) | 137627 |
| Hexadecimal (base 16) | BF97 |
| Base 3 | 2111021120 |
| As time | 49047 seconds = 13 h 37 min 27 s |
Is 49047 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 | Yes (49047 ÷ 3 = 16349) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49047 a prime number?
No. 49047 = 3 × 16349, so it is divisible by 3.
What are the factors of 49047?
1, 3, 16349, 49047.
What is 49047 in binary?
1011111110010111 (hexadecimal BF97, octal 137627).
What is the square root of 49047?
About 221.4656.
Is 49047 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 49047?
49047 is a semiprime: 3 × 16349, the product of two primes.