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42395228 = 22312291493
BaseRepresentation
bin1010000110111…
…0011001011100
32221202220022122
42201232121130
541323121403
64112402112
71023232151
oct241563134
987686278
1042395228
1121a27187
1212246338
138a24b45
1458b8228
153ac6838
hex286e65c

42395228 has 24 divisors (see below), whose sum is σ = 76970880. Its totient is φ = 20410560.

The previous prime is 42395203. The next prime is 42395257. The reversal of 42395228 is 82259324.

42395228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27650 + ... + 29142.

It is an arithmetic number, because the mean of its divisors is an integer number (3207120).

Almost surely, 242395228 is an apocalyptic number.

It is an amenable number.

42395228 is a deficient number, since it is larger than the sum of its proper divisors (34575652).

42395228 is a wasteful number, since it uses less digits than its factorization.

42395228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1755 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 42395228 is about 6511.1618010920. The cubic root of 42395228 is about 348.6895979290.

The spelling of 42395228 in words is "forty-two million, three hundred ninety-five thousand, two hundred twenty-eight".

Divisors: 1 2 4 31 62 124 229 458 916 1493 2986 5972 7099 14198 28396 46283 92566 185132 341897 683794 1367588 10598807 21197614 42395228