The number 48615
48615 is a composite number with 16 divisors. Its prime factorisation is 3 × 5 × 7 × 463. Divisors (16): 1, 3, 5, 7, 15, 21, 35, 105, 463, 1389, 2315, 3241, 6945, 9723, 16205, 48615.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48615 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48615 is composite. Its prime factorisation is
- 3
The divisors add up to 89088; without 48615 itself that is 40473, so 48615 is deficient (40473 is less than 48615). Euler's totient φ(48615) = 22176 numbers up to 48615 share no factor with it.
- 4
The digits of 48615 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 70 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48615 = 3 \times 5 \times 7 \times 463 \]
48615 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 89088 |
| Euler totient φ(n) | 22176 |
| Square | 2363418225 |
| Cube | 114897577008375 |
| Square root | 220.488095 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 70 |
| Scientific notation | 4.8615 × |
48615 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand six hundred and fifteen |
| Binary (base 2) | 1011110111100111 |
| Octal (base 8) | 136747 |
| Hexadecimal (base 16) | BDE7 |
| Base 3 | 2110200120 |
| As time | 48615 seconds = 13 h 30 min 15 s |
Is 48615 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 | Yes (48615 ÷ 3 = 16205) | 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 | Yes (48615 ÷ 5 = 9723) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (48615 ÷ 7 = 6945) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48615 a prime number?
No. 48615 = 3 × 5 × 7 × 463, so it is divisible by 3.
What are the factors of 48615?
1, 3, 5, 7, 15, 21, 35, 105, 463, 1389, 2315, 3241, 6945, 9723, 16205, 48615.
What is 48615 in binary?
1011110111100111 (hexadecimal BDE7, octal 136747).
What is the square root of 48615?
About 220.4881.
Is 48615 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 48615?
It is a composite number with 16 divisors.