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28525934 = 2232112939
BaseRepresentation
bin110110011010…
…0010101101110
31222200021020002
41230310111232
524300312214
62455224302
7464315663
oct154642556
958607202
1028525934
1115113a58
129678092
135baa068
143b07a6a
1527871de
hex1b3456e

28525934 has 16 divisors (see below), whose sum is σ = 44876160. Its totient is φ = 13573560.

The previous prime is 28525933. The next prime is 28525951. The reversal of 28525934 is 43952582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28525933) 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, 8237 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (2804760).

Almost surely, 228525934 is an apocalyptic number.

28525934 is a deficient number, since it is larger than the sum of its proper divisors (16350226).

28525934 is a wasteful number, since it uses less digits than its factorization.

28525934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175.

The product of its digits is 86400, while the sum is 38.

The square root of 28525934 is about 5340.9675153478. The cubic root of 28525934 is about 305.5483604599.

The spelling of 28525934 in words is "twenty-eight million, five hundred twenty-five thousand, nine hundred thirty-four".

Divisors: 1 2 23 46 211 422 2939 4853 5878 9706 67597 135194 620129 1240258 14262967 28525934