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18935042 = 271779559
BaseRepresentation
bin100100000111…
…0110100000010
31022121222222212
41020032310002
514321410132
61513502122
7316642130
oct110166402
938558885
1018935042
11a7631a5
126411942
133bcc789
14272c750
1519e05b2
hex120ed02

18935042 has 16 divisors (see below), whose sum is σ = 34369920. Its totient is φ = 7637568.

The previous prime is 18935011. The next prime is 18935051. The reversal of 18935042 is 24053981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39542 + ... + 40017.

It is an arithmetic number, because the mean of its divisors is an integer number (2148120).

Almost surely, 218935042 is an apocalyptic number.

18935042 is a deficient number, since it is larger than the sum of its proper divisors (15434878).

18935042 is a wasteful number, since it uses less digits than its factorization.

18935042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79585.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 18935042 is about 4351.4413703967. The cubic root of 18935042 is about 266.5357228648.

The spelling of 18935042 in words is "eighteen million, nine hundred thirty-five thousand, forty-two".

Divisors: 1 2 7 14 17 34 119 238 79559 159118 556913 1113826 1352503 2705006 9467521 18935042