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28534276 = 2219375451
BaseRepresentation
bin110110011011…
…0011000000100
31222200200200001
41230312120010
524301044101
62455331044
7464352211
oct154663004
958620601
1028534276
111511a251
129680a84
135bb0ab4
143b0ab08
152789901
hex1b36604

28534276 has 12 divisors (see below), whose sum is σ = 52563280. Its totient is φ = 13516200.

The previous prime is 28534273. The next prime is 28534277. The reversal of 28534276 is 67243582.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28534271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187650 + ... + 187801.

Almost surely, 228534276 is an apocalyptic number.

It is an amenable number.

28534276 is a deficient number, since it is larger than the sum of its proper divisors (24029004).

28534276 is a wasteful number, since it uses less digits than its factorization.

28534276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375474 (or 375472 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 28534276 is about 5341.7484029108. The cubic root of 28534276 is about 305.5781419680.

The spelling of 28534276 in words is "twenty-eight million, five hundred thirty-four thousand, two hundred seventy-six".

Divisors: 1 2 4 19 38 76 375451 750902 1501804 7133569 14267138 28534276