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28675408 = 241994327
BaseRepresentation
bin110110101100…
…0110101010000
31222221212021011
41231120311100
524320103113
62502340304
7465510526
oct155306520
958855234
1028675408
1115206293
12972a694
135c300c8
143b46316
1527b663d
hex1b58d50

28675408 has 20 divisors (see below), whose sum is σ = 58483360. Its totient is φ = 13582944.

The previous prime is 28675391. The next prime is 28675469. The reversal of 28675408 is 80457682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46860 + ... + 47467.

It is an arithmetic number, because the mean of its divisors is an integer number (2924168).

Almost surely, 228675408 is an apocalyptic number.

It is an amenable number.

28675408 is an abundant number, since it is smaller than the sum of its proper divisors (29807952).

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

28675408 is a wasteful number, since it uses less digits than its factorization.

28675408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94354 (or 94348 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 28675408 is about 5354.9423899796. The cubic root of 28675408 is about 306.0811153805.

The spelling of 28675408 in words is "twenty-eight million, six hundred seventy-five thousand, four hundred eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 94327 188654 377308 754616 1509232 1792213 3584426 7168852 14337704 28675408