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42390692 = 2229715147
BaseRepresentation
bin1010000110110…
…1010010100100
32221202200002122
42201231102210
541323000232
64112325112
71023213011
oct241552244
987680078
1042390692
1121a23833
1212243798
138a22a66
1458b6708
153ac5312
hex286d4a4

42390692 has 24 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 20172320.

The previous prime is 42390659. The next prime is 42390697. The reversal of 42390692 is 29609324.

It is not an unprimeable number, because it can be changed into a prime (42390697) by changing a digit.

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, 5663 + ... + 10809.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 242390692 is an apocalyptic number.

It is an amenable number.

42390692 is a deficient number, since it is larger than the sum of its proper divisors (35447068).

42390692 is a wasteful number, since it uses less digits than its factorization.

42390692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251 (or 5249 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 42390692 is about 6510.8134668411. The cubic root of 42390692 is about 348.6771616832.

The spelling of 42390692 in words is "forty-two million, three hundred ninety thousand, six hundred ninety-two".

Divisors: 1 2 4 29 58 71 116 142 284 2059 4118 5147 8236 10294 20588 149263 298526 365437 597052 730874 1461748 10597673 21195346 42390692