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28536936 = 2331962581
BaseRepresentation
bin110110011011…
…1000001101000
31222200211022120
41230313001220
524301140221
62455351240
7464363031
oct154670150
958624276
1028536936
111512124a
129682520
135bb207c
143b0ba88
15278a5c6
hex1b37068

28536936 has 32 divisors (see below), whose sum is σ = 75098400. Its totient is φ = 9011520.

The previous prime is 28536929. The next prime is 28536971. The reversal of 28536936 is 63963582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30835 + ... + 31746.

It is an arithmetic number, because the mean of its divisors is an integer number (2346825).

Almost surely, 228536936 is an apocalyptic number.

It is an amenable number.

28536936 is an abundant number, since it is smaller than the sum of its proper divisors (46561464).

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

28536936 is a wasteful number, since it uses less digits than its factorization.

28536936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62609 (or 62605 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 28536936 is about 5341.9973792581. The cubic root of 28536936 is about 305.5876371286.

The spelling of 28536936 in words is "twenty-eight million, five hundred thirty-six thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 62581 125162 187743 250324 375486 500648 750972 1189039 1501944 2378078 3567117 4756156 7134234 9512312 14268468 28536936