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18460132 = 2211340841
BaseRepresentation
bin100011001101…
…0110111100100
31021201212112121
41012122313210
514211211012
61455355324
7312623425
oct106326744
937655477
1018460132
11a469409
126222b44
133a94572
14264764c
151949a07
hex119ade4

18460132 has 12 divisors (see below), whose sum is σ = 32591916. Its totient is φ = 9148160.

The previous prime is 18460129. The next prime is 18460157. The reversal of 18460132 is 23106481.

It can be written as a sum of positive squares in 2 ways, for example, as 7806436 + 10653696 = 2794^2 + 3264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18460097 and 18460106.

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 3 ways as a sum of consecutive naturals, for example, 19969 + ... + 20872.

It is an arithmetic number, because the mean of its divisors is an integer number (2715993).

Almost surely, 218460132 is an apocalyptic number.

It is an amenable number.

18460132 is a deficient number, since it is larger than the sum of its proper divisors (14131784).

18460132 is a wasteful number, since it uses less digits than its factorization.

18460132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40958 (or 40956 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18460132 is about 4296.5255730648. The cubic root of 18460132 is about 264.2885008020.

The spelling of 18460132 in words is "eighteen million, four hundred sixty thousand, one hundred thirty-two".

Divisors: 1 2 4 113 226 452 40841 81682 163364 4615033 9230066 18460132