The number 69472
69472 is a composite number with 24 divisors. Its prime factorisation is × 13 × 167. Divisors (24): 1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 167, 208, 334, 416, 668, 1336 … 69472.
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How to work it out
- 1
69472 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
69472 is composite. Its prime factorisation is
- 3
The divisors add up to 148176; without 69472 itself that is 78704, so 69472 is abundant (78704 is more than 69472). Euler's totient φ(69472) = 31872 numbers up to 69472 share no factor with it.
- 4
The digits of 69472 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 55 steps to reach 1.
LaTeX source of the formulas on this page
\[ 69472 = 2^{5} \times 13 \times 167 \]69472 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 148176 |
| Euler totient φ(n) | 31872 |
| Square | 4826358784 |
| Cube | 335296797442048 |
| Square root | 263.575416 (= 4√4342) |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 55 |
| Scientific notation | 6.9472 × |
69472 in other forms
| Form | Value |
|---|---|
| In words | sixty-nine thousand four hundred and seventy-two |
| Binary (base 2) | 10000111101100000 |
| Octal (base 8) | 207540 |
| Hexadecimal (base 16) | 10F60 |
| Base 3 | 10112022001 |
| As time | 69472 seconds = 19 h 17 min 52 s |
Is 69472 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (69472 ÷ 2 = 34736) | 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 | Yes (69472 ÷ 4 = 17368) | 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 | Yes (69472 ÷ 8 = 8684) | 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 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 69472 a prime number?
No. 69472 = × 13 × 167, so it is divisible by 2.
What are the factors of 69472?
1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 167, 208, 334, 416, 668, 1336, 2171, 2672, 4342, 5344, 8684, 17368, 34736, 69472.
What is 69472 in binary?
10000111101100000 (hexadecimal 10F60, octal 207540).
What is the square root of 69472?
About 263.5754, exactly 4√4342.
Is 69472 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 69472?
It is a composite number with 24 divisors.