Base | Representation |
---|---|
bin | 110110000101… |
… | …1110110010110 |
3 | 1222100211201120 |
4 | 1230023312112 |
5 | 24230010321 |
6 | 2451504410 |
7 | 463025316 |
oct | 154136626 |
9 | 58324646 |
10 | 28360086 |
11 | 15010397 |
12 | 95b8106 |
13 | 5b4c721 |
14 | 3aa3446 |
15 | 2752ec6 |
hex | 1b0bd96 |
28360086 has 16 divisors (see below), whose sum is σ = 58676400. Its totient is φ = 9127328.
The previous prime is 28360067. The next prime is 28360099. The reversal of 28360086 is 68006382.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81321 + ... + 81668.
It is an arithmetic number, because the mean of its divisors is an integer number (3667275).
Almost surely, 228360086 is an apocalyptic number.
28360086 is an abundant number, since it is smaller than the sum of its proper divisors (30316314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28360086 is a wasteful number, since it uses less digits than its factorization.
28360086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163023.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 28360086 is about 5325.4188567661. The cubic root of 28360086 is about 304.9550628053.
The spelling of 28360086 in words is "twenty-eight million, three hundred sixty thousand, eighty-six".
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