The number 48379
48379 is a composite number with 4 divisors. Its prime factorisation is 101 × 479. Divisors (4): 1, 101, 479, 48379.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48379: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 101 × 479, the product of two primes.
- 2
48379 is composite. Its prime factorisation is
- 3
The divisors add up to 48960; without 48379 itself that is 581, so 48379 is deficient (581 is less than 48379). Euler's totient φ(48379) = 47800 numbers up to 48379 share no factor with it.
- 4
The digits of 48379 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 189 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48379 = 101 \times 479 \]
48379 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 48960 |
| Euler totient φ(n) | 47800 |
| Square | 2340527641 |
| Cube | 113232386743939 |
| Square root | 219.952268 |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 189 |
| Scientific notation | 4.8379 × |
48379 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand three hundred and seventy-nine |
| Binary (base 2) | 1011110011111011 |
| Octal (base 8) | 136373 |
| Hexadecimal (base 16) | BCFB |
| Base 3 | 2110100211 |
| As time | 48379 seconds = 13 h 26 min 19 s |
Is 48379 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 3) | 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48379 a prime number?
No. 48379 = 101 × 479, so it is divisible by 101.
What are the factors of 48379?
1, 101, 479, 48379.
What is 48379 in binary?
1011110011111011 (hexadecimal BCFB, octal 136373).
What is the square root of 48379?
About 219.9523.
Is 48379 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 48379?
48379 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 101 × 479, the product of two primes.