The number 49017
49017 is a composite number with 4 divisors. Its prime factorisation is 3 × 16339. Divisors (4): 1, 3, 16339, 49017.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49017: a semiprime: 3 × 16339, the product of two primes.
- 2
49017 is composite. Its prime factorisation is
- 3
The divisors add up to 65360; without 49017 itself that is 16343, so 49017 is deficient (16343 is less than 49017). Euler's totient φ(49017) = 32676 numbers up to 49017 share no factor with it.
- 4
The digits of 49017 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49017 = 3 \times 16339 \]
49017 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 65360 |
| Euler totient φ(n) | 32676 |
| Square | 2402666289 |
| Cube | 117771493487913 |
| Square root | 221.397832 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 158 |
| Scientific notation | 4.9017 × |
49017 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand and seventeen |
| Binary (base 2) | 1011111101111001 |
| Octal (base 8) | 137571 |
| Hexadecimal (base 16) | BF79 |
| Base 3 | 2111020110 |
| As time | 49017 seconds = 13 h 36 min 57 s |
Is 49017 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 (49017 ÷ 3 = 16339) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 3) | 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 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49017 a prime number?
No. 49017 = 3 × 16339, so it is divisible by 3.
What are the factors of 49017?
1, 3, 16339, 49017.
What is 49017 in binary?
1011111101111001 (hexadecimal BF79, octal 137571).
What is the square root of 49017?
About 221.3978.
Is 49017 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 49017?
49017 is a semiprime: 3 × 16339, the product of two primes.