The number 67402
67402 is a composite number with 8 divisors. Its prime factorisation is 2 × 67 × 503. Divisors (8): 1, 2, 67, 134, 503, 1006, 33701, 67402.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
67402 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
67402 is composite. Its prime factorisation is
- 3
The divisors add up to 102816; without 67402 itself that is 35414, so 67402 is deficient (35414 is less than 67402). Euler's totient φ(67402) = 33132 numbers up to 67402 share no factor with it.
- 4
The digits of 67402 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 205 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67402 = 2 \times 67 \times 503 \]
67402 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 102816 |
| Euler totient φ(n) | 33132 |
| Square | 4543029604 |
| Cube | 306209281368808 |
| Square root | 259.618952 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 205 |
| Scientific notation | 6.7402 × |
67402 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand four hundred and two |
| Binary (base 2) | 10000011101001010 |
| Octal (base 8) | 203512 |
| Hexadecimal (base 16) | 1074A |
| Base 3 | 10102110101 |
| As time | 67402 seconds = 18 h 43 min 22 s |
Is 67402 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (67402 ÷ 2 = 33701) | 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 | No (remainder 2) | 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 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | 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 67402 a prime number?
No. 67402 = 2 × 67 × 503, so it is divisible by 2.
What are the factors of 67402?
1, 2, 67, 134, 503, 1006, 33701, 67402.
What is 67402 in binary?
10000011101001010 (hexadecimal 1074A, octal 203512).
What is the square root of 67402?
About 259.6190.
Is 67402 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 67402?
It is a composite number with 8 divisors.