The number 73049
73049 is a composite number with 4 divisors. Its prime factorisation is 17 × 4297. Divisors (4): 1, 17, 4297, 73049.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 73049: a semiprime: 17 × 4297, the product of two primes.
- 2
73049 is composite. Its prime factorisation is
- 3
The divisors add up to 77364; without 73049 itself that is 4315, so 73049 is deficient (4315 is less than 73049). Euler's totient φ(73049) = 68736 numbers up to 73049 share no factor with it.
- 4
The digits of 73049 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 156 steps to reach 1.
LaTeX source of the formulas on this page
\[ 73049 = 17 \times 4297 \]
73049 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 77364 |
| Euler totient φ(n) | 68736 |
| Square | 5336156401 |
| Cube | 389800888936649 |
| Square root | 270.275785 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 156 |
| Scientific notation | 7.3049 × |
73049 in other forms
| Form | Value |
|---|---|
| In words | seventy-three thousand and forty-nine |
| Binary (base 2) | 10001110101011001 |
| Octal (base 8) | 216531 |
| Hexadecimal (base 16) | 11D59 |
| Base 3 | 10201012112 |
| As time | 73049 seconds = 20 h 17 min 29 s |
Is 73049 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 4) | 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 | No (remainder 4) | 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 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 73049 a prime number?
No. 73049 = 17 × 4297, so it is divisible by 17.
What are the factors of 73049?
1, 17, 4297, 73049.
What is 73049 in binary?
10001110101011001 (hexadecimal 11D59, octal 216531).
What is the square root of 73049?
About 270.2758.
Is 73049 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 73049?
73049 is a semiprime: 17 × 4297, the product of two primes.