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18294085 = 523159079
BaseRepresentation
bin100010111001…
…0010101000101
31021102102202201
41011302111011
514140402320
61452034501
7311332345
oct105622505
937372681
1018294085
11a365687
126162a31
133a36b04
142602d25
15191570a
hex1172545

18294085 has 8 divisors (see below), whose sum is σ = 22907520. Its totient is φ = 13998864.

The previous prime is 18294053. The next prime is 18294097. The reversal of 18294085 is 58049281.

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 18294085 - 25 = 18294053 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79425 + ... + 79654.

It is an arithmetic number, because the mean of its divisors is an integer number (2863440).

Almost surely, 218294085 is an apocalyptic number.

It is an amenable number.

18294085 is a deficient number, since it is larger than the sum of its proper divisors (4613435).

18294085 is a wasteful number, since it uses less digits than its factorization.

18294085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159107.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 18294085 is about 4277.1585193911. The cubic root of 18294085 is about 263.4936969424.

The spelling of 18294085 in words is "eighteen million, two hundred ninety-four thousand, eighty-five".

Divisors: 1 5 23 115 159079 795395 3658817 18294085