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42388502 = 2135093203
BaseRepresentation
bin1010000110110…
…0110000010110
32221202120002112
42201230300112
541322413002
64112311022
71023203432
oct241546026
987676075
1042388502
1121a22122
1212242472
138a21a70
1458b59c2
153ac4852
hex286cc16

42388502 has 16 divisors (see below), whose sum is σ = 68629680. Its totient is φ = 19519392.

The previous prime is 42388481. The next prime is 42388513. The reversal of 42388502 is 20588324.

It is a congruent number.

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, 11633 + ... + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (4289355).

Almost surely, 242388502 is an apocalyptic number.

42388502 is a deficient number, since it is larger than the sum of its proper divisors (26241178).

42388502 is a wasteful number, since it uses less digits than its factorization.

42388502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 42388502 is about 6510.6452829194. The cubic root of 42388502 is about 348.6711570935.

The spelling of 42388502 in words is "forty-two million, three hundred eighty-eight thousand, five hundred two".

Divisors: 1 2 13 26 509 1018 3203 6406 6617 13234 41639 83278 1630327 3260654 21194251 42388502