The number 73450
73450 is a composite number with 24 divisors. Its prime factorisation is 2 × × 13 × 113. Divisors (24): 1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 325, 565, 650, 1130 … 73450.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
73450 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
73450 is composite. Its prime factorisation is
- 3
The divisors add up to 148428; without 73450 itself that is 74978, so 73450 is abundant (74978 is more than 73450). Euler's totient φ(73450) = 26880 numbers up to 73450 share no factor with it.
- 4
The digits of 73450 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 63 steps to reach 1.
LaTeX source of the formulas on this page
\[ 73450 = 2 \times 5^{2} \times 13 \times 113 \]73450 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 148428 |
| Euler totient φ(n) | 26880 |
| Square | 5394902500 |
| Cube | 396255588625000 |
| Square root | 271.016605 (= 5√2938) |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 63 |
| Scientific notation | 7.345 × |
73450 in other forms
| Form | Value |
|---|---|
| In words | seventy-three thousand four hundred and fifty |
| Binary (base 2) | 10001111011101010 |
| Octal (base 8) | 217352 |
| Hexadecimal (base 16) | 11EEA |
| Base 3 | 10201202101 |
| As time | 73450 seconds = 20 h 24 min 10 s |
Is 73450 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (73450 ÷ 2 = 36725) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (73450 ÷ 5 = 14690) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (73450 ÷ 10 = 7345) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 73450 a prime number?
No. 73450 = 2 × × 13 × 113, so it is divisible by 2.
What are the factors of 73450?
1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 325, 565, 650, 1130, 1469, 2825, 2938, 5650, 7345, 14690, 36725, 73450.
What is 73450 in binary?
10001111011101010 (hexadecimal 11EEA, octal 217352).
What is the square root of 73450?
About 271.0166, exactly 5√2938.
Is 73450 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 73450?
It is a composite number with 24 divisors.