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42839888 = 2471329423
BaseRepresentation
bin1010001101101…
…0111101010000
32222121111021112
42203122331100
541431334023
64130112452
71030063430
oct243327520
988544245
1042839888
1122200273
121241b728
138b4c360
1459922c0
153b63478
hex28daf50

42839888 has 40 divisors (see below), whose sum is σ = 102160128. Its totient is φ = 16947072.

The previous prime is 42839879. The next prime is 42839893. The reversal of 42839888 is 88893824.

42839888 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, 13256 + ... + 16167.

Almost surely, 242839888 is an apocalyptic number.

It is an amenable number.

42839888 is an abundant number, since it is smaller than the sum of its proper divisors (59320240).

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

42839888 is a wasteful number, since it uses less digits than its factorization.

42839888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29451 (or 29445 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 42839888 is about 6545.2187129232. The cubic root of 42839888 is about 349.9044310497.

The spelling of 42839888 in words is "forty-two million, eight hundred thirty-nine thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 29423 58846 117692 205961 235384 382499 411922 470768 764998 823844 1529996 1647688 2677493 3059992 3295376 5354986 6119984 10709972 21419944 42839888