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25984012 = 227191493
BaseRepresentation
bin110001100011…
…1110000001100
31210220010100211
41203013300030
523122442022
62324532204
7433601065
oct143076014
953803324
1025984012
111373819a
128851064
1354ca072
14364556c
152433e77
hex18c7c0c

25984012 has 12 divisors (see below), whose sum is σ = 46112976. Its totient is φ = 12808880.

The previous prime is 25984003. The next prime is 25984019. The reversal of 25984012 is 21048952.

It is a super-2 number, since 2×259840122 = 1350337759232288, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (25984019) 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 3 ways as a sum of consecutive naturals, for example, 45463 + ... + 46030.

It is an arithmetic number, because the mean of its divisors is an integer number (3842748).

Almost surely, 225984012 is an apocalyptic number.

It is an amenable number.

25984012 is a deficient number, since it is larger than the sum of its proper divisors (20128964).

25984012 is a wasteful number, since it uses less digits than its factorization.

25984012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91568 (or 91566 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 25984012 is about 5097.4515201226. The cubic root of 25984012 is about 296.1888708164.

The spelling of 25984012 in words is "twenty-five million, nine hundred eighty-four thousand, twelve".

Divisors: 1 2 4 71 142 284 91493 182986 365972 6496003 12992006 25984012