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42544888 = 2343123677
BaseRepresentation
bin1010001001001…
…0111011111000
32222001111121121
42202102323320
541342414023
64115515024
71024424401
oct242227370
988044547
1042544888
1122019671
12122b8a74
138a77cb9
1459169a8
153b05d5d
hex2892ef8

42544888 has 16 divisors (see below), whose sum is σ = 81627480. Its totient is φ = 20777568.

The previous prime is 42544883. The next prime is 42544891. The reversal of 42544888 is 88844524.

42544888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544883) 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, 61495 + ... + 62182.

Almost surely, 242544888 is an apocalyptic number.

42544888 is the 3487-th centered heptagonal number.

It is an amenable number.

42544888 is a deficient number, since it is larger than the sum of its proper divisors (39082592).

42544888 is a wasteful number, since it uses less digits than its factorization.

42544888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123726 (or 123722 counting only the distinct ones).

The product of its digits is 327680, while the sum is 43.

The square root of 42544888 is about 6522.6442490757. The cubic root of 42544888 is about 349.0994207764.

The spelling of 42544888 in words is "forty-two million, five hundred forty-four thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 43 86 172 344 123677 247354 494708 989416 5318111 10636222 21272444 42544888