The number 73429
73429 is a composite number with 4 divisors. Its prime factorisation is 97 × 757. Divisors (4): 1, 97, 757, 73429.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 73429: a semiprime: 97 × 757, the product of two primes.
- 2
73429 is composite. Its prime factorisation is
- 3
The divisors add up to 74284; without 73429 itself that is 855, so 73429 is deficient (855 is less than 73429). Euler's totient φ(73429) = 72576 numbers up to 73429 share no factor with it.
- 4
The digits of 73429 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 63 steps to reach 1.
LaTeX source of the formulas on this page
\[ 73429 = 97 \times 757 \]
73429 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 74284 |
| Euler totient φ(n) | 72576 |
| Square | 5391818041 |
| Cube | 395915806932589 |
| Square root | 270.977859 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 63 |
| Scientific notation | 7.3429 × |
73429 in other forms
| Form | Value |
|---|---|
| In words | seventy-three thousand four hundred and twenty-nine |
| Binary (base 2) | 10001111011010101 |
| Octal (base 8) | 217325 |
| Hexadecimal (base 16) | 11ED5 |
| Base 3 | 10201201121 |
| As time | 73429 seconds = 20 h 23 min 49 s |
Is 73429 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 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | 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 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 73429 a prime number?
No. 73429 = 97 × 757, so it is divisible by 97.
What are the factors of 73429?
1, 97, 757, 73429.
What is 73429 in binary?
10001111011010101 (hexadecimal 11ED5, octal 217325).
What is the square root of 73429?
About 270.9779.
Is 73429 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 73429?
73429 is a semiprime: 97 × 757, the product of two primes.