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185424042 = 231092271249
BaseRepresentation
bin10110000110101…
…01100010101010
3110220220111222010
423003111202222
5334432032132
630222140350
74411035606
oct1303254252
9426814863
10185424042
1195737911
12521216b6
132c55298b
141a8aa506
151142a6cc
hexb0d58aa

185424042 has 32 divisors (see below), whose sum is σ = 376200000. Its totient is φ = 60922368.

The previous prime is 185424007. The next prime is 185424089. The reversal of 185424042 is 240424581.

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 15 ways as a sum of consecutive naturals, for example, 147834 + ... + 149082.

It is an arithmetic number, because the mean of its divisors is an integer number (11756250).

Almost surely, 2185424042 is an apocalyptic number.

185424042 is an abundant number, since it is smaller than the sum of its proper divisors (190775958).

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

185424042 is a wasteful number, since it uses less digits than its factorization.

185424042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 185424042 is about 13617.0496804557. The cubic root of 185424042 is about 570.2369405826.

The spelling of 185424042 in words is "one hundred eighty-five million, four hundred twenty-four thousand, forty-two".

Divisors: 1 2 3 6 109 218 227 327 454 654 681 1249 1362 2498 3747 7494 24743 49486 74229 136141 148458 272282 283523 408423 567046 816846 850569 1701138 30904007 61808014 92712021 185424042