The number 69748
69748 is a composite number with 24 divisors. Its prime factorisation is × 7 × 47 × 53. Divisors (24): 1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 329, 371, 658, 742 … 69748.
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How to work it out
- 1
69748 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
69748 is composite. Its prime factorisation is
- 3
The divisors add up to 145152; without 69748 itself that is 75404, so 69748 is abundant (75404 is more than 69748). Euler's totient φ(69748) = 28704 numbers up to 69748 share no factor with it.
- 4
The digits of 69748 add up to 34, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 174 steps to reach 1.
LaTeX source of the formulas on this page
\[ 69748 = 2^{2} \times 7 \times 47 \times 53 \]69748 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 145152 |
| Euler totient φ(n) | 28704 |
| Square | 4864783504 |
| Cube | 339308919836992 |
| Square root | 264.098466 (= 2√17437) |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 174 |
| Scientific notation | 6.9748 × |
69748 in other forms
| Form | Value |
|---|---|
| In words | sixty-nine thousand seven hundred and forty-eight |
| Binary (base 2) | 10001000001110100 |
| Octal (base 8) | 210164 |
| Hexadecimal (base 16) | 11074 |
| Base 3 | 10112200021 |
| As time | 69748 seconds = 19 h 22 min 28 s |
Is 69748 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (69748 ÷ 2 = 34874) | 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 (69748 ÷ 4 = 17437) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 | Yes (69748 ÷ 7 = 9964) | 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 4) | 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 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | 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 69748 a prime number?
No. 69748 = × 7 × 47 × 53, so it is divisible by 2.
What are the factors of 69748?
1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 329, 371, 658, 742, 1316, 1484, 2491, 4982, 9964, 17437, 34874, 69748.
What is 69748 in binary?
10001000001110100 (hexadecimal 11074, octal 210164).
What is the square root of 69748?
About 264.0985, exactly 2√17437.
Is 69748 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 69748?
It is a composite number with 24 divisors.