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18102162 = 2313232079
BaseRepresentation
bin100010100001…
…1011110010010
31021001200111110
41011003132102
514113232122
61443554150
7306602661
oct105033622
937050443
1018102162
11a244471
12608b956
13399a650
142592dd8
1518c890c
hex1143792

18102162 has 16 divisors (see below), whose sum is σ = 38989440. Its totient is φ = 5569872.

The previous prime is 18102151. The next prime is 18102167. The reversal of 18102162 is 26120181.

It is not an unprimeable number, because it can be changed into a prime (18102167) 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, 115962 + ... + 116117.

It is an arithmetic number, because the mean of its divisors is an integer number (2436840).

Almost surely, 218102162 is an apocalyptic number.

18102162 is an abundant number, since it is smaller than the sum of its proper divisors (20887278).

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

18102162 is a wasteful number, since it uses less digits than its factorization.

18102162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232097.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 18102162 is about 4254.6635589668. The cubic root of 18102162 is about 262.5690194927.

The spelling of 18102162 in words is "eighteen million, one hundred two thousand, one hundred sixty-two".

Divisors: 1 2 3 6 13 26 39 78 232079 464158 696237 1392474 3017027 6034054 9051081 18102162