Base | Representation |
---|---|
bin | 110110111111… |
… | …0000100011100 |
3 | 2000020121111012 |
4 | 1231332010130 |
5 | 24334443212 |
6 | 2505514352 |
7 | 500014310 |
oct | 155760434 |
9 | 60217435 |
10 | 28827932 |
11 | 152aa941 |
12 | 97a29b8 |
13 | 5c84663 |
14 | 3b85b40 |
15 | 27e6922 |
hex | 1b7e11c |
28827932 has 12 divisors (see below), whose sum is σ = 57655920. Its totient is φ = 12354816.
The previous prime is 28827913. The next prime is 28827979. The reversal of 28827932 is 23972882.
28827932 is an admirable number.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 28827932.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514757 + ... + 514812.
It is an arithmetic number, because the mean of its divisors is an integer number (4804660).
Almost surely, 228827932 is an apocalyptic number.
It is an amenable number.
28827932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28827932 is a wasteful number, since it uses less digits than its factorization.
28827932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1029580 (or 1029578 counting only the distinct ones).
The product of its digits is 96768, while the sum is 41.
The square root of 28827932 is about 5369.1649257589. The cubic root of 28827932 is about 306.6228361008.
The spelling of 28827932 in words is "twenty-eight million, eight hundred twenty-seven thousand, nine hundred thirty-two".
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