The number 35242
35242 is a composite number with 8 divisors. Its prime factorisation is 2 × 67 × 263. Divisors (8): 1, 2, 67, 134, 263, 526, 17621, 35242.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
35242 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
35242 is composite. Its prime factorisation is
- 3
The divisors add up to 53856; without 35242 itself that is 18614, so 35242 is deficient (18614 is less than 35242). Euler's totient φ(35242) = 17292 numbers up to 35242 share no factor with it.
- 4
The digits of 35242 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 98 steps to reach 1.
LaTeX source of the formulas on this page
\[ 35242 = 2 \times 67 \times 263 \]
35242 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 53856 |
| Euler totient φ(n) | 17292 |
| Square | 1241998564 |
| Cube | 43770513392488 |
| Square root | 187.728527 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 98 |
| Scientific notation | 3.5242 × |
35242 in other forms
| Form | Value |
|---|---|
| In words | thirty-five thousand two hundred and forty-two |
| Binary (base 2) | 1000100110101010 |
| Octal (base 8) | 104652 |
| Hexadecimal (base 16) | 89AA |
| Base 3 | 1210100021 |
| As time | 35242 seconds = 9 h 47 min 22 s |
Is 35242 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (35242 ÷ 2 = 17621) | 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 4) | 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 7) | 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 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 35242 a prime number?
No. 35242 = 2 × 67 × 263, so it is divisible by 2.
What are the factors of 35242?
1, 2, 67, 134, 263, 526, 17621, 35242.
What is 35242 in binary?
1000100110101010 (hexadecimal 89AA, octal 104652).
What is the square root of 35242?
About 187.7285.
Is 35242 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 35242?
It is a composite number with 8 divisors.