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18336125 = 533832
BaseRepresentation
bin100010111110…
…0100101111101
31021111120102202
41011330211331
514143224000
61453001245
7311566043
oct105744575
937446382
1018336125
11a394225
126183225
133a4cca2
142614393
151922dd5
hex117c97d

18336125 has 12 divisors (see below), whose sum is σ = 22943388. Its totient is φ = 14630600.

The previous prime is 18336107. The next prime is 18336167. The reversal of 18336125 is 52163381.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 586756 + 17749369 = 766^2 + 4213^2 .

It is not a de Polignac number, because 18336125 - 210 = 18335101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47684 + ... + 48066.

It is an arithmetic number, because the mean of its divisors is an integer number (1911949).

Almost surely, 218336125 is an apocalyptic number.

It is an amenable number.

18336125 is a deficient number, since it is larger than the sum of its proper divisors (4607263).

18336125 is an frugal number, since it uses more digits than its factorization.

18336125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 388 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 18336125 is about 4282.0701769121. The cubic root of 18336125 is about 263.6953796285.

The spelling of 18336125 in words is "eighteen million, three hundred thirty-six thousand, one hundred twenty-five".

Divisors: 1 5 25 125 383 1915 9575 47875 146689 733445 3667225 18336125