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204083900 = 225212591621
BaseRepresentation
bin11000010101000…
…01001010111100
3112020000112110222
430022201022330
5404221141100
632130120512
75025453536
oct1412411274
9466015428
10204083900
11a5222289
1258420138
1333387107
141d166856
1512db4485
hexc2a12bc

204083900 has 36 divisors (see below), whose sum is σ = 443487240. Its totient is φ = 81518400.

The previous prime is 204083863. The next prime is 204083903. The reversal of 204083900 is 9380402.

204083900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 204083900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204083903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125090 + ... + 126710.

It is an arithmetic number, because the mean of its divisors is an integer number (12319090).

Almost surely, 2204083900 is an apocalyptic number.

204083900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204083900 is an abundant number, since it is smaller than the sum of its proper divisors (239403340).

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

204083900 is a wasteful number, since it uses less digits than its factorization.

204083900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2887 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 204083900 is about 14285.7936426367. The cubic root of 204083900 is about 588.7572231779.

The spelling of 204083900 in words is "two hundred four million, eighty-three thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1259 1621 2518 3242 5036 6295 6484 8105 12590 16210 25180 31475 32420 40525 62950 81050 125900 162100 2040839 4081678 8163356 10204195 20408390 40816780 51020975 102041950 204083900