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20375828 = 22111924373
BaseRepresentation
bin100110110111…
…0100100010100
31102100012101022
41031232210110
520204011303
62004420312
7335122514
oct115564424
942305338
1020375828
1110557730
1269a7698
1342b5505
1429c5844
151bc7438
hex136e914

20375828 has 24 divisors (see below), whose sum is σ = 40948320. Its totient is φ = 8773920.

The previous prime is 20375819. The next prime is 20375857. The reversal of 20375828 is 82857302.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 11351 + ... + 13022.

It is an arithmetic number, because the mean of its divisors is an integer number (1706180).

Almost surely, 220375828 is an apocalyptic number.

It is an amenable number.

20375828 is an abundant number, since it is smaller than the sum of its proper divisors (20572492).

20375828 is a wasteful number, since it uses less digits than its factorization.

20375828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24407 (or 24405 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 20375828 is about 4513.9592377424. The cubic root of 20375828 is about 273.1314783062.

The spelling of 20375828 in words is "twenty million, three hundred seventy-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 24373 48746 97492 268103 463087 536206 926174 1072412 1852348 5093957 10187914 20375828