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18475304 = 232309413
BaseRepresentation
bin100011001111…
…0100100101000
31021202122100112
41012132210220
514212202204
61455553452
7313015601
oct106364450
937678315
1018475304
11a479851
12622b888
133a9b443
14264cda8
15194e26e
hex119e928

18475304 has 8 divisors (see below), whose sum is σ = 34641210. Its totient is φ = 9237648.

The previous prime is 18475283. The next prime is 18475313. The reversal of 18475304 is 40357481.

It can be written as a sum of positive squares in only one way, i.e., 18472804 + 2500 = 4298^2 + 50^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1154699 + ... + 1154714.

Almost surely, 218475304 is an apocalyptic number.

It is an amenable number.

18475304 is a deficient number, since it is larger than the sum of its proper divisors (16165906).

18475304 is a wasteful number, since it uses less digits than its factorization.

18475304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309419 (or 2309415 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 18475304 is about 4298.2908231063. The cubic root of 18475304 is about 264.3608853894.

The spelling of 18475304 in words is "eighteen million, four hundred seventy-five thousand, three hundred four".

Divisors: 1 2 4 8 2309413 4618826 9237652 18475304