Base | Representation |
---|---|
bin | 110110010000… |
… | …0000000111010 |
3 | 1222112001000200 |
4 | 1230200000322 |
5 | 24240131212 |
6 | 2453343030 |
7 | 463521162 |
oct | 154400072 |
9 | 58461020 |
10 | 28442682 |
11 | 15067454 |
12 | 9637a76 |
13 | 5b7b1b8 |
14 | 3ac55a2 |
15 | 276c6dc |
hex | 1b2003a |
28442682 has 24 divisors (see below), whose sum is σ = 61847604. Its totient is φ = 9446784.
The previous prime is 28442681. The next prime is 28442719. The reversal of 28442682 is 28624482.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 8003241 = 4521^2 + 2829^2 .
It is not an unprimeable number, because it can be changed into a prime (28442681) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2578 + ... + 7970.
Almost surely, 228442682 is an apocalyptic number.
28442682 is an abundant number, since it is smaller than the sum of its proper divisors (33404922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28442682 is a wasteful number, since it uses less digits than its factorization.
28442682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5694 (or 5691 counting only the distinct ones).
The product of its digits is 49152, while the sum is 36.
The square root of 28442682 is about 5333.1681016071. The cubic root of 28442682 is about 305.2508265447.
The spelling of 28442682 in words is "twenty-eight million, four hundred forty-two thousand, six hundred eighty-two".
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