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28650896 = 244394079
BaseRepresentation
bin110110101001…
…0110110010000
31222220121122022
41231102312100
524313312041
62502031012
7465346211
oct155226620
958817568
1028650896
111519992a
129718468
135c21bc1
143b3b408
1527ae24b
hex1b52d90

28650896 has 20 divisors (see below), whose sum is σ = 55651200. Its totient is φ = 14289312.

The previous prime is 28650887. The next prime is 28650901. The reversal of 28650896 is 69805682.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 4985 + ... + 9063.

It is an arithmetic number, because the mean of its divisors is an integer number (2782560).

Almost surely, 228650896 is an apocalyptic number.

It is an amenable number.

28650896 is a deficient number, since it is larger than the sum of its proper divisors (27000304).

28650896 is a wasteful number, since it uses less digits than its factorization.

28650896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526 (or 4520 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 28650896 is about 5352.6531738942. The cubic root of 28650896 is about 305.9938768764.

The spelling of 28650896 in words is "twenty-eight million, six hundred fifty thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 439 878 1756 3512 4079 7024 8158 16316 32632 65264 1790681 3581362 7162724 14325448 28650896