Base | Representation |
---|---|
bin | 110110111111… |
… | …1001100111000 |
3 | 2000020211211220 |
4 | 1231333030320 |
5 | 24340120233 |
6 | 2505552040 |
7 | 500033652 |
oct | 155771470 |
9 | 60224756 |
10 | 28832568 |
11 | 15303376 |
12 | 97a5620 |
13 | 5c867bb |
14 | 3b876d2 |
15 | 27e7eb3 |
hex | 1b7f338 |
28832568 has 32 divisors (see below), whose sum is σ = 72230400. Its totient is φ = 9591008.
The previous prime is 28832549. The next prime is 28832569. The reversal of 28832568 is 86523882.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28832569) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14905 + ... + 16727.
It is an arithmetic number, because the mean of its divisors is an integer number (2257200).
Almost surely, 228832568 is an apocalyptic number.
It is an amenable number.
28832568 is an abundant number, since it is smaller than the sum of its proper divisors (43397832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28832568 is a wasteful number, since it uses less digits than its factorization.
28832568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2491 (or 2487 counting only the distinct ones).
The product of its digits is 184320, while the sum is 42.
The square root of 28832568 is about 5369.5966328952. The cubic root of 28832568 is about 306.6392718650.
The spelling of 28832568 in words is "twenty-eight million, eight hundred thirty-two thousand, five hundred sixty-eight".
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