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42919648 = 254728537
BaseRepresentation
bin1010001110111…
…0011011100000
32222202112200121
42203232123200
541441412043
64131530024
71030545112
oct243563340
988675617
1042919648
1122255192
1212459914
138b79755
1459b33b2
153b7bded
hex28ee6e0

42919648 has 24 divisors (see below), whose sum is σ = 86298912. Its totient is φ = 21002496.

The previous prime is 42919619. The next prime is 42919649. The reversal of 42919648 is 84691924.

42919648 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 not an unprimeable number, because it can be changed into a prime (42919649) 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, 12765 + ... + 15772.

It is an arithmetic number, because the mean of its divisors is an integer number (3595788).

Almost surely, 242919648 is an apocalyptic number.

It is an amenable number.

42919648 is an abundant number, since it is smaller than the sum of its proper divisors (43379264).

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

42919648 is a wasteful number, since it uses less digits than its factorization.

42919648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28594 (or 28586 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 42919648 is about 6551.3088768581. The cubic root of 42919648 is about 350.1214490091.

The spelling of 42919648 in words is "forty-two million, nine hundred nineteen thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 28537 57074 114148 228296 456592 913184 1341239 2682478 5364956 10729912 21459824 42919648