The number 47426
47426 is a composite number with 8 divisors. Its prime factorisation is 2 × 23 × 1031. Divisors (8): 1, 2, 23, 46, 1031, 2062, 23713, 47426.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 47426: a Harshad number: divisible by its digit sum 23.
- 2
47426 is composite. Its prime factorisation is
- 3
The divisors add up to 74304; without 47426 itself that is 26878, so 47426 is deficient (26878 is less than 47426). Euler's totient φ(47426) = 22660 numbers up to 47426 share no factor with it.
- 4
The digits of 47426 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 176 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47426 = 2 \times 23 \times 1031 \]
47426 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 74304 |
| Euler totient φ(n) | 22660 |
| Square | 2249225476 |
| Cube | 106671767424776 |
| Square root | 217.775113 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 176 |
| Scientific notation | 4.7426 × |
47426 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand four hundred and twenty-six |
| Binary (base 2) | 1011100101000010 |
| Octal (base 8) | 134502 |
| Hexadecimal (base 16) | B942 |
| Base 3 | 2102001112 |
| As time | 47426 seconds = 13 h 10 min 26 s |
Is 47426 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (47426 ÷ 2 = 23713) | 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 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 1) | 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 2) | 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 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47426 a prime number?
No. 47426 = 2 × 23 × 1031, so it is divisible by 2.
What are the factors of 47426?
1, 2, 23, 46, 1031, 2062, 23713, 47426.
What is 47426 in binary?
1011100101000010 (hexadecimal B942, octal 134502).
What is the square root of 47426?
About 217.7751.
Is 47426 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 47426?
47426 is a Harshad number: divisible by its digit sum 23.