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28368996 = 22310312293
BaseRepresentation
bin110110000111…
…0000001100100
31222101021221120
41230032001210
524230301441
62452013540
7463063305
oct154160144
958337846
1028368996
1115017057
1296012b0
135b537b6
143aa67ac
152755966
hex1b0e064

28368996 has 24 divisors (see below), whose sum is σ = 66287424. Its totient is φ = 9443040.

The previous prime is 28368983. The next prime is 28369013. The reversal of 28368996 is 69986382.

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, 11226 + ... + 13518.

It is an arithmetic number, because the mean of its divisors is an integer number (2761976).

Almost surely, 228368996 is an apocalyptic number.

It is an amenable number.

28368996 is an abundant number, since it is smaller than the sum of its proper divisors (37918428).

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

28368996 is a wasteful number, since it uses less digits than its factorization.

28368996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331 (or 3329 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 28368996 is about 5326.2553449868. The cubic root of 28368996 is about 304.9869957727.

The spelling of 28368996 in words is "twenty-eight million, three hundred sixty-eight thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 1031 2062 2293 3093 4124 4586 6186 6879 9172 12372 13758 27516 2364083 4728166 7092249 9456332 14184498 28368996