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42662988 = 22322714373
BaseRepresentation
bin1010001010111…
…1110001001100
32222021111121200
42202233301030
541410203423
64122225500
71025425614
oct242576114
988244550
1042662988
112209a375
1212355290
138ab9994
145947a44
153b2ad43
hex28afc4c

42662988 has 36 divisors (see below), whose sum is σ = 108265248. Its totient is φ = 14165280.

The previous prime is 42662957. The next prime is 42662993. The reversal of 42662988 is 88926624.

42662988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 7570 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (3007368).

Almost surely, 242662988 is an apocalyptic number.

It is an amenable number.

42662988 is an abundant number, since it is smaller than the sum of its proper divisors (65602260).

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

42662988 is a wasteful number, since it uses less digits than its factorization.

42662988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654 (or 4649 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 42662988 is about 6531.6910520936. The cubic root of 42662988 is about 349.4221430705.

The spelling of 42662988 in words is "forty-two million, six hundred sixty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 271 542 813 1084 1626 2439 3252 4373 4878 8746 9756 13119 17492 26238 39357 52476 78714 157428 1185083 2370166 3555249 4740332 7110498 10665747 14220996 21331494 42662988