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42902184 = 23313137507
BaseRepresentation
bin1010001110101…
…0001010101000
32222201122201210
42203222022220
541440332214
64131313120
71030443153
oct243521250
988648653
1042902184
1122243056
121244b7a0
138b71810
1459aac9a
153b76b59
hex28ea2a8

42902184 has 32 divisors (see below), whose sum is σ = 115506720. Its totient is φ = 13200576.

The previous prime is 42902179. The next prime is 42902191. The reversal of 42902184 is 48120924.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68442 + ... + 69065.

It is an arithmetic number, because the mean of its divisors is an integer number (3609585).

Almost surely, 242902184 is an apocalyptic number.

It is an amenable number.

42902184 is an abundant number, since it is smaller than the sum of its proper divisors (72604536).

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

42902184 is a wasteful number, since it uses less digits than its factorization.

42902184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137529 (or 137525 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 42902184 is about 6549.9758778182. The cubic root of 42902184 is about 350.0739544405.

The spelling of 42902184 in words is "forty-two million, nine hundred two thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 137507 275014 412521 550028 825042 1100056 1650084 1787591 3300168 3575182 5362773 7150364 10725546 14300728 21451092 42902184