The number 76479
76479 is a composite number with 16 divisors. Its prime factorisation is 3 × 13 × 37 × 53. Divisors (16): 1, 3, 13, 37, 39, 53, 111, 159, 481, 689, 1443, 1961, 2067, 5883, 25493, 76479.
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How to work it out
- 1
76479 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
76479 is composite. Its prime factorisation is
- 3
The divisors add up to 114912; without 76479 itself that is 38433, so 76479 is deficient (38433 is less than 76479). Euler's totient φ(76479) = 44928 numbers up to 76479 share no factor with it.
- 4
The digits of 76479 add up to 33, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 200 steps to reach 1.
LaTeX source of the formulas on this page
\[ 76479 = 3 \times 13 \times 37 \times 53 \]
76479 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 114912 |
| Euler totient φ(n) | 44928 |
| Square | 5849037441 |
| Cube | 447328534450239 |
| Square root | 276.548368 |
| Digit sum / digital root | 33 / 6 |
| Collatz steps to 1 | 200 |
| Scientific notation | 7.6479 × |
76479 in other forms
| Form | Value |
|---|---|
| In words | seventy-six thousand four hundred and seventy-nine |
| Binary (base 2) | 10010101010111111 |
| Octal (base 8) | 225277 |
| Hexadecimal (base 16) | 12ABF |
| Base 3 | 10212220120 |
| As time | 76479 seconds = 21 h 14 min 39 s |
Is 76479 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 | Yes (76479 ÷ 3 = 25493) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 3) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 76479 a prime number?
No. 76479 = 3 × 13 × 37 × 53, so it is divisible by 3.
What are the factors of 76479?
1, 3, 13, 37, 39, 53, 111, 159, 481, 689, 1443, 1961, 2067, 5883, 25493, 76479.
What is 76479 in binary?
10010101010111111 (hexadecimal 12ABF, octal 225277).
What is the square root of 76479?
About 276.5484.
Is 76479 divisible by 3?
Yes. Its digits add up to 33, a multiple of 3.
What is special about the number 76479?
It is a composite number with 16 divisors.