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28470364 = 22131095023
BaseRepresentation
bin110110010011…
…0110001011100
31222120102222221
41230212301130
524242022424
62454115124
7463664656
oct154466134
958512887
1028470364
111508622a
12964baa4
135b8a990
143ad16d6
1527759e4
hex1b26c5c

28470364 has 24 divisors (see below), whose sum is σ = 54158720. Its totient is φ = 13017024.

The previous prime is 28470349. The next prime is 28470371. The reversal of 28470364 is 46307482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157 + ... + 8179.

Almost surely, 228470364 is an apocalyptic number.

It is an amenable number.

28470364 is a deficient number, since it is larger than the sum of its proper divisors (25688356).

28470364 is a wasteful number, since it uses less digits than its factorization.

28470364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149 (or 5147 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 28470364 is about 5335.7627383533. The cubic root of 28470364 is about 305.3498234623.

The spelling of 28470364 in words is "twenty-eight million, four hundred seventy thousand, three hundred sixty-four".

Divisors: 1 2 4 13 26 52 109 218 436 1417 2834 5023 5668 10046 20092 65299 130598 261196 547507 1095014 2190028 7117591 14235182 28470364