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18052704 = 253262683
BaseRepresentation
bin100010011011…
…1011001100000
31020222011122200
41010313121200
514110141304
61442533200
7306305535
oct104673140
936864580
1018052704
11a21029a
126067200
133980c97
14257cd8c
1518b8e39
hex1137660

18052704 has 36 divisors (see below), whose sum is σ = 51338196. Its totient is φ = 6017472.

The previous prime is 18052667. The next prime is 18052709. The reversal of 18052704 is 40725081.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18052709) 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 5 ways as a sum of consecutive naturals, for example, 31054 + ... + 31629.

It is an arithmetic number, because the mean of its divisors is an integer number (1426061).

Almost surely, 218052704 is an apocalyptic number.

It is an amenable number.

18052704 is an abundant number, since it is smaller than the sum of its proper divisors (33285492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18052704 is a wasteful number, since it uses less digits than its factorization.

18052704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62699 (or 62688 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 18052704 is about 4248.8473731119. The cubic root of 18052704 is about 262.3296745407.

Adding to 18052704 its reverse (40725081), we get a palindrome (58777785).

The spelling of 18052704 in words is "eighteen million, fifty-two thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 62683 125366 188049 250732 376098 501464 564147 752196 1002928 1128294 1504392 2005856 2256588 3008784 4513176 6017568 9026352 18052704