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42925128 = 2331788547
BaseRepresentation
bin1010001110111…
…1110001001000
32222202211012120
42203233301020
541442101003
64132011240
71030600101
oct243576110
988684176
1042925128
1122259314
1212460b20
138b7c0ac
1459b53a8
153b7d853
hex28efc48

42925128 has 16 divisors (see below), whose sum is σ = 107312880. Its totient is φ = 14308368.

The previous prime is 42925121. The next prime is 42925139. The reversal of 42925128 is 82152924.

42925128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×429251282 = 3685133227632768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42925121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 894250 + ... + 894297.

It is an arithmetic number, because the mean of its divisors is an integer number (6707055).

Almost surely, 242925128 is an apocalyptic number.

It is an amenable number.

42925128 is an abundant number, since it is smaller than the sum of its proper divisors (64387752).

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

42925128 is a wasteful number, since it uses less digits than its factorization.

42925128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788556 (or 1788552 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 42925128 is about 6551.7271005438. The cubic root of 42925128 is about 350.1363495964.

The spelling of 42925128 in words is "forty-two million, nine hundred twenty-five thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 1788547 3577094 5365641 7154188 10731282 14308376 21462564 42925128