The number 67430
67430 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 11 × 613. Divisors (16): 1, 2, 5, 10, 11, 22, 55, 110, 613, 1226, 3065, 6130, 6743, 13486, 33715, 67430.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
67430 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
67430 is composite. Its prime factorisation is
- 3
The divisors add up to 132624; without 67430 itself that is 65194, so 67430 is deficient (65194 is less than 67430). Euler's totient φ(67430) = 24480 numbers up to 67430 share no factor with it.
- 4
The digits of 67430 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 161 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67430 = 2 \times 5 \times 11 \times 613 \]
67430 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 132624 |
| Euler totient φ(n) | 24480 |
| Square | 4546804900 |
| Cube | 306591054407000 |
| Square root | 259.672871 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 161 |
| Scientific notation | 6.743 × |
67430 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand four hundred and thirty |
| Binary (base 2) | 10000011101100110 |
| Octal (base 8) | 203546 |
| Hexadecimal (base 16) | 10766 |
| Base 3 | 10102111102 |
| As time | 67430 seconds = 18 h 43 min 50 s |
Is 67430 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (67430 ÷ 2 = 33715) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (67430 ÷ 5 = 13486) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (67430 ÷ 10 = 6743) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (67430 ÷ 11 = 6130) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67430 a prime number?
No. 67430 = 2 × 5 × 11 × 613, so it is divisible by 2.
What are the factors of 67430?
1, 2, 5, 10, 11, 22, 55, 110, 613, 1226, 3065, 6130, 6743, 13486, 33715, 67430.
What is 67430 in binary?
10000011101100110 (hexadecimal 10766, octal 203546).
What is the square root of 67430?
About 259.6729.
Is 67430 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 67430?
It is a composite number with 16 divisors.