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18925052 = 2229163147
BaseRepresentation
bin100100000110…
…0010111111100
31022121111021212
41020030113330
514321100202
61513343552
7316601036
oct110142774
938544255
1018925052
11a756743
126407bb8
133bc8073
142728c56
1519dc652
hex120c5fc

18925052 has 12 divisors (see below), whose sum is σ = 34261080. Its totient is φ = 9136176.

The previous prime is 18925037. The next prime is 18925087. The reversal of 18925052 is 25052981.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81458 + ... + 81689.

It is an arithmetic number, because the mean of its divisors is an integer number (2855090).

Almost surely, 218925052 is an apocalyptic number.

It is an amenable number.

18925052 is a deficient number, since it is larger than the sum of its proper divisors (15336028).

18925052 is a wasteful number, since it uses less digits than its factorization.

18925052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163180 (or 163178 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 18925052 is about 4350.2933234438. The cubic root of 18925052 is about 266.4888404711.

The spelling of 18925052 in words is "eighteen million, nine hundred twenty-five thousand, fifty-two".

Divisors: 1 2 4 29 58 116 163147 326294 652588 4731263 9462526 18925052