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204043625 = 538918341
BaseRepresentation
bin11000010100101…
…11010101101001
3112012221111020022
430022113111221
5404213344000
632125210225
75025225242
oct1412272551
9465844208
10204043625
11a51a4aa5
1258400975
1333371996
141d155cc9
1512da7585
hexc297569

204043625 has 16 divisors (see below), whose sum is σ = 257521680. Its totient is φ = 161392000.

The previous prime is 204043601. The next prime is 204043627. The reversal of 204043625 is 526340402.

204043625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 144769024 + 59274601 = 12032^2 + 7699^2 .

It is not a de Polignac number, because 204043625 - 26 = 204043561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204043594 and 204043603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204043627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1955 + ... + 20295.

It is an arithmetic number, because the mean of its divisors is an integer number (16095105).

Almost surely, 2204043625 is an apocalyptic number.

204043625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204043625 is a deficient number, since it is larger than the sum of its proper divisors (53478055).

204043625 is an equidigital number, since it uses as much as digits as its factorization.

204043625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18445 (or 18435 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 204043625 is about 14284.3839559149. The cubic root of 204043625 is about 588.7184911382.

The spelling of 204043625 in words is "two hundred four million, forty-three thousand, six hundred twenty-five".

Divisors: 1 5 25 89 125 445 2225 11125 18341 91705 458525 1632349 2292625 8161745 40808725 204043625