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18052625 = 531391039
BaseRepresentation
bin100010011011…
…1011000010001
31020222011112202
41010313120101
514110141000
61442532545
7306305363
oct104673021
936864482
1018052625
11a210228
126067155
133980c36
14257cd33
1518b8dd5
hex1137611

18052625 has 16 divisors (see below), whose sum is σ = 22713600. Its totient is φ = 14324400.

The previous prime is 18052621. The next prime is 18052637. The reversal of 18052625 is 52625081.

It is not a de Polignac number, because 18052625 - 22 = 18052621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18052621) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16856 + ... + 17894.

It is an arithmetic number, because the mean of its divisors is an integer number (1419600).

Almost surely, 218052625 is an apocalyptic number.

It is an amenable number.

18052625 is a deficient number, since it is larger than the sum of its proper divisors (4660975).

18052625 is a wasteful number, since it uses less digits than its factorization.

18052625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 18052625 is about 4248.8380764628. The cubic root of 18052625 is about 262.3292918820.

The spelling of 18052625 in words is "eighteen million, fifty-two thousand, six hundred twenty-five".

Divisors: 1 5 25 125 139 695 1039 3475 5195 17375 25975 129875 144421 722105 3610525 18052625