The number 74012
74012 is a composite number with 6 divisors. Its prime factorisation is × 18503. Divisors (6): 1, 2, 4, 18503, 37006, 74012.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 74012: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
74012 is composite. Its prime factorisation is
- 3
The divisors add up to 129528; without 74012 itself that is 55516, so 74012 is deficient (55516 is less than 74012). Euler's totient φ(74012) = 37004 numbers up to 74012 share no factor with it.
- 4
The digits of 74012 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 187 steps to reach 1.
LaTeX source of the formulas on this page
\[ 74012 = 2^{2} \times 18503 \]74012 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 129528 |
| Euler totient φ(n) | 37004 |
| Square | 5477776144 |
| Cube | 405421167969728 |
| Square root | 272.051466 (= 2√18503) |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 187 |
| Scientific notation | 7.4012 × |
74012 in other forms
| Form | Value |
|---|---|
| In words | seventy-four thousand and twelve |
| Binary (base 2) | 10010000100011100 |
| Octal (base 8) | 220434 |
| Hexadecimal (base 16) | 1211C |
| Base 3 | 10202112012 |
| As time | 74012 seconds = 20 h 33 min 32 s |
Is 74012 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (74012 ÷ 2 = 37006) | 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 (74012 ÷ 4 = 18503) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | 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 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | 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 74012 a prime number?
No. 74012 = × 18503, so it is divisible by 2.
What are the factors of 74012?
1, 2, 4, 18503, 37006, 74012.
What is 74012 in binary?
10010000100011100 (hexadecimal 1211C, octal 220434).
What is the square root of 74012?
About 272.0515, exactly 2√18503.
Is 74012 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 74012?
74012 is a happy number: repeatedly adding the squares of its digits reaches 1.