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18264055 = 529125959
BaseRepresentation
bin100010110101…
…0111111110111
31021100220120111
41011222333313
514133422210
61451243451
7311145655
oct105527767
937326514
1018264055
11a345067
126149587
133a26244
1425d5dd5
15190b88a
hex116aff7

18264055 has 8 divisors (see below), whose sum is σ = 22672800. Its totient is φ = 14107296.

The previous prime is 18264041. The next prime is 18264101. The reversal of 18264055 is 55046281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18264055 - 213 = 18255863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62835 + ... + 63124.

It is an arithmetic number, because the mean of its divisors is an integer number (2834100).

Almost surely, 218264055 is an apocalyptic number.

18264055 is a deficient number, since it is larger than the sum of its proper divisors (4408745).

18264055 is a wasteful number, since it uses less digits than its factorization.

18264055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125993.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 18264055 is about 4273.6465693831. The cubic root of 18264055 is about 263.3494417677.

The spelling of 18264055 in words is "eighteen million, two hundred sixty-four thousand, fifty-five".

Divisors: 1 5 29 145 125959 629795 3652811 18264055