The number 53449
53449 is a composite number with 8 divisors. Its prime factorisation is 11 × 43 × 113. Divisors (8): 1, 11, 43, 113, 473, 1243, 4859, 53449.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
53449 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
53449 is composite. Its prime factorisation is
- 3
The divisors add up to 60192; without 53449 itself that is 6743, so 53449 is deficient (6743 is less than 53449). Euler's totient φ(53449) = 47040 numbers up to 53449 share no factor with it.
- 4
The digits of 53449 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 53449 = 11 \times 43 \times 113 \]
53449 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 60192 |
| Euler totient φ(n) | 47040 |
| Square | 2856795601 |
| Cube | 152692868077849 |
| Square root | 231.190398 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 96 |
| Scientific notation | 5.3449 × |
53449 in other forms
| Form | Value |
|---|---|
| In words | fifty-three thousand four hundred and forty-nine |
| Binary (base 2) | 1101000011001001 |
| Octal (base 8) | 150311 |
| Hexadecimal (base 16) | D0C9 |
| Base 3 | 2201022121 |
| As time | 53449 seconds = 14 h 50 min 49 s |
Is 53449 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 1) | 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 1) | 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 1) | 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 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (53449 ÷ 11 = 4859) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 53449 a prime number?
No. 53449 = 11 × 43 × 113, so it is divisible by 11.
What are the factors of 53449?
1, 11, 43, 113, 473, 1243, 4859, 53449.
What is 53449 in binary?
1101000011001001 (hexadecimal D0C9, octal 150311).
What is the square root of 53449?
About 231.1904.
Is 53449 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 53449?
It is a composite number with 8 divisors.