The number 47374
47374 is a palindrome: it reads 47374 backwards too. Its prime factorisation is 2 × 23687. Divisors (4): 1, 2, 23687, 47374.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 47374: a palindrome: it reads 47374 backwards too; a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 23687, the product of two primes.
- 2
47374 is composite. Its prime factorisation is
- 3
The divisors add up to 71064; without 47374 itself that is 23690, so 47374 is deficient (23690 is less than 47374). Euler's totient φ(47374) = 23686 numbers up to 47374 share no factor with it.
- 4
The digits of 47374 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 83 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47374 = 2 \times 23687 \]
47374 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 71064 |
| Euler totient φ(n) | 23686 |
| Square | 2244295876 |
| Cube | 106321272829624 |
| Square root | 217.655691 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 83 |
| Scientific notation | 4.7374 × |
47374 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand three hundred and seventy-four |
| Binary (base 2) | 1011100100001110 |
| Octal (base 8) | 134416 |
| Hexadecimal (base 16) | B90E |
| Base 3 | 2101222121 |
| As time | 47374 seconds = 13 h 9 min 34 s |
Is 47374 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (47374 ÷ 2 = 23687) | 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 2) | 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 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 6) | 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 4) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47374 a prime number?
No. 47374 = 2 × 23687, so it is divisible by 2.
What are the factors of 47374?
1, 2, 23687, 47374.
What is 47374 in binary?
1011100100001110 (hexadecimal B90E, octal 134416).
What is the square root of 47374?
About 217.6557.
Is 47374 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 47374?
47374 is a palindrome: it reads 47374 backwards too; a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 23687, the product of two primes.