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204256412 = 22121741959
BaseRepresentation
bin11000010110010…
…11010010011100
3112020100022010022
430023023102130
5404242201122
632133531312
75030102513
oct1413132234
9466308108
10204256412
11a532a958
12584a3b38
13334177a9
141d1ad67a
1512dea642
hexc2cb49c

204256412 has 12 divisors (see below), whose sum is σ = 357750960. Its totient is φ = 102041856.

The previous prime is 204256373. The next prime is 204256433. The reversal of 204256412 is 214652402.

It is a super-2 number, since 2×2042564122 = 83441363686227488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16112 + ... + 25847.

It is an arithmetic number, because the mean of its divisors is an integer number (29812580).

Almost surely, 2204256412 is an apocalyptic number.

It is an amenable number.

204256412 is a deficient number, since it is larger than the sum of its proper divisors (153494548).

204256412 is a wasteful number, since it uses less digits than its factorization.

204256412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43180 (or 43178 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 204256412 is about 14291.8302536799. The cubic root of 204256412 is about 588.9230685012.

The spelling of 204256412 in words is "two hundred four million, two hundred fifty-six thousand, four hundred twelve".

Divisors: 1 2 4 1217 2434 4868 41959 83918 167836 51064103 102128206 204256412