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BaseRepresentation
bin100010011100…
…0000010001000
31020222022012222
41010320002020
514110232204
61442553212
7306316241
oct104700210
936868188
1018055304
11a212243
126068808
133982217
14257dcc8
1518b9abe
hex1138088

18055304 has 8 divisors (see below), whose sum is σ = 33853710. Its totient is φ = 9027648.

The previous prime is 18055291. The next prime is 18055327. The reversal of 18055304 is 40355081.

It can be written as a sum of positive squares in only one way, i.e., 14822500 + 3232804 = 3850^2 + 1798^2 .

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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128449 + ... + 1128464.

Almost surely, 218055304 is an apocalyptic number.

It is an amenable number.

18055304 is a deficient number, since it is larger than the sum of its proper divisors (15798406).

18055304 is a wasteful number, since it uses less digits than its factorization.

18055304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256919 (or 2256915 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 18055304 is about 4249.1533274289. The cubic root of 18055304 is about 262.3422677495.

The spelling of 18055304 in words is "eighteen million, fifty-five thousand, three hundred four".

Divisors: 1 2 4 8 2256913 4513826 9027652 18055304