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204192205 = 57471011229
BaseRepresentation
bin11000010101110…
…11100111001101
3112020020001001021
430022323213031
5404233122310
632132314141
75026414360
oct1412734715
9466201037
10204192205
11a5296698
1258472951
13333c44b9
141d1940d7
1512dd65da
hexc2bb9cd

204192205 has 32 divisors (see below), whose sum is σ = 289059840. Its totient is φ = 135571200.

The previous prime is 204192203. The next prime is 204192211. The reversal of 204192205 is 502291402.

It is not a de Polignac number, because 204192205 - 21 = 204192203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204192205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204192203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165531 + ... + 166759.

It is an arithmetic number, because the mean of its divisors is an integer number (9033120).

Almost surely, 2204192205 is an apocalyptic number.

It is an amenable number.

204192205 is a deficient number, since it is larger than the sum of its proper divisors (84867635).

204192205 is a wasteful number, since it uses less digits than its factorization.

204192205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 204192205 is about 14289.5837937989. The cubic root of 204192205 is about 588.8613536761.

The spelling of 204192205 in words is "two hundred four million, one hundred ninety-two thousand, two hundred five".

Divisors: 1 5 7 35 47 101 235 329 505 707 1229 1645 3535 4747 6145 8603 23735 33229 43015 57763 124129 166145 288815 404341 620645 868903 2021705 4344515 5834063 29170315 40838441 204192205