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28936964 = 2271033463
BaseRepresentation
bin110111001100…
…0101100000100
32000110011001102
41232120230010
524401440324
62512115232
7500650220
oct156305404
960404042
1028936964
1115374851
129835b18
135cc2184
143bb3780
152818dae
hex1b98b04

28936964 has 12 divisors (see below), whose sum is σ = 57873984. Its totient is φ = 12401544.

The previous prime is 28936951. The next prime is 28936987. The reversal of 28936964 is 46963982.

28936964 is an admirable number.

It is an unprimeable number.

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, 516704 + ... + 516759.

It is an arithmetic number, because the mean of its divisors is an integer number (4822832).

Almost surely, 228936964 is an apocalyptic number.

It is an amenable number.

28936964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28936964 is a wasteful number, since it uses less digits than its factorization.

28936964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033474 (or 1033472 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 28936964 is about 5379.3088775418. The cubic root of 28936964 is about 307.0089158392.

The spelling of 28936964 in words is "twenty-eight million, nine hundred thirty-six thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 14 28 1033463 2066926 4133852 7234241 14468482 28936964