The number 67450
67450 is a composite number with 24 divisors. Its prime factorisation is 2 × × 19 × 71. Divisors (24): 1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 355, 475, 710, 950 … 67450.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
67450 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
67450 is composite. Its prime factorisation is
- 3
The divisors add up to 133920; without 67450 itself that is 66470, so 67450 is deficient (66470 is less than 67450). Euler's totient φ(67450) = 25200 numbers up to 67450 share no factor with it.
- 4
The digits of 67450 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 99 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67450 = 2 \times 5^{2} \times 19 \times 71 \]67450 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 133920 |
| Euler totient φ(n) | 25200 |
| Square | 4549502500 |
| Cube | 306863943625000 |
| Square root | 259.711378 (= 5√2698) |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 99 |
| Scientific notation | 6.745 × |
67450 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand four hundred and fifty |
| Binary (base 2) | 10000011101111010 |
| Octal (base 8) | 203572 |
| Hexadecimal (base 16) | 1077A |
| Base 3 | 10102112011 |
| As time | 67450 seconds = 18 h 44 min 10 s |
Is 67450 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (67450 ÷ 2 = 33725) | 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 (67450 ÷ 5 = 13490) | 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 5) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (67450 ÷ 10 = 6745) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67450 a prime number?
No. 67450 = 2 × × 19 × 71, so it is divisible by 2.
What are the factors of 67450?
1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 355, 475, 710, 950, 1349, 1775, 2698, 3550, 6745, 13490, 33725, 67450.
What is 67450 in binary?
10000011101111010 (hexadecimal 1077A, octal 203572).
What is the square root of 67450?
About 259.7114, exactly 5√2698.
Is 67450 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 67450?
It is a composite number with 24 divisors.