The number 71348
71348 is a composite number with 6 divisors. Its prime factorisation is × 17837. Divisors (6): 1, 2, 4, 17837, 35674, 71348.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 71348: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
71348 is composite. Its prime factorisation is
- 3
The divisors add up to 124866; without 71348 itself that is 53518, so 71348 is deficient (53518 is less than 71348). Euler's totient φ(71348) = 35672 numbers up to 71348 share no factor with it.
- 4
The digits of 71348 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 50 steps to reach 1.
LaTeX source of the formulas on this page
\[ 71348 = 2^{2} \times 17837 \]71348 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 124866 |
| Euler totient φ(n) | 35672 |
| Square | 5090537104 |
| Cube | 363199641296192 |
| Square root | 267.110464 (= 2√17837) |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 50 |
| Scientific notation | 7.1348 × |
71348 in other forms
| Form | Value |
|---|---|
| In words | seventy-one thousand three hundred and forty-eight |
| Binary (base 2) | 10001011010110100 |
| Octal (base 8) | 213264 |
| Hexadecimal (base 16) | 116B4 |
| Base 3 | 10121212112 |
| As time | 71348 seconds = 19 h 49 min 8 s |
Is 71348 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (71348 ÷ 2 = 35674) | 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 | Yes (71348 ÷ 4 = 17837) | 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 2) | 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 4) | 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 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 71348 a prime number?
No. 71348 = × 17837, so it is divisible by 2.
What are the factors of 71348?
1, 2, 4, 17837, 35674, 71348.
What is 71348 in binary?
10001011010110100 (hexadecimal 116B4, octal 213264).
What is the square root of 71348?
About 267.1105, exactly 2√17837.
Is 71348 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 71348?
71348 is a happy number: repeatedly adding the squares of its digits reaches 1.