The number 43349
43349 is a composite number with 4 divisors. Its prime factorisation is 67 × 647. Divisors (4): 1, 67, 647, 43349.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 43349: a semiprime: 67 × 647, the product of two primes.
- 2
43349 is composite. Its prime factorisation is
- 3
The divisors add up to 44064; without 43349 itself that is 715, so 43349 is deficient (715 is less than 43349). Euler's totient φ(43349) = 42636 numbers up to 43349 share no factor with it.
- 4
The digits of 43349 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43349 = 67 \times 647 \]
43349 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 44064 |
| Euler totient φ(n) | 42636 |
| Square | 1879135801 |
| Cube | 81458657837549 |
| Square root | 208.204227 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 57 |
| Scientific notation | 4.3349 × |
43349 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand three hundred and forty-nine |
| Binary (base 2) | 1010100101010101 |
| Octal (base 8) | 124525 |
| Hexadecimal (base 16) | A955 |
| Base 3 | 2012110112 |
| As time | 43349 seconds = 12 h 2 min 29 s |
Is 43349 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 43349 a prime number?
No. 43349 = 67 × 647, so it is divisible by 67.
What are the factors of 43349?
1, 67, 647, 43349.
What is 43349 in binary?
1010100101010101 (hexadecimal A955, octal 124525).
What is the square root of 43349?
About 208.2042.
Is 43349 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 43349?
43349 is a semiprime: 67 × 647, the product of two primes.