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28534806 = 2321793251
BaseRepresentation
bin110110011011…
…0100000010110
31222200201101200
41230312200112
524301103211
62455333330
7464353566
oct154664026
958621350
1028534806
111511a693
129681246
135bb1101
143b0ada6
152789b56
hex1b36816

28534806 has 24 divisors (see below), whose sum is σ = 65462904. Its totient is φ = 8952000.

The previous prime is 28534799. The next prime is 28534853. The reversal of 28534806 is 60843582.

28534806 = 10152 + 10162 + ... + 10412.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46320 + ... + 46931.

It is an arithmetic number, because the mean of its divisors is an integer number (2727621).

Almost surely, 228534806 is an apocalyptic number.

28534806 is an abundant number, since it is smaller than the sum of its proper divisors (36928098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28534806 is a wasteful number, since it uses less digits than its factorization.

28534806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93276 (or 93273 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 28534806 is about 5341.7980119057. The cubic root of 28534806 is about 305.5800339080.

The spelling of 28534806 in words is "twenty-eight million, five hundred thirty-four thousand, eight hundred six".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 93251 186502 279753 559506 839259 1585267 1678518 3170534 4755801 9511602 14267403 28534806