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205975113 = 31633971061
BaseRepresentation
bin11000100011011…
…10111001001001
3112100120121201220
430101232321021
5410212200423
632234432253
75050521351
oct1421567111
9470517656
10205975113
11a62a4173
1258b92689
1333899b86
141d4d9b61
15131399e3
hexc46ee49

205975113 has 16 divisors (see below), whose sum is σ = 277275456. Its totient is φ = 136002240.

The previous prime is 205975109. The next prime is 205975127. The reversal of 205975113 is 311579502.

205975113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205975113 - 22 = 205975109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205935113) 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, 193603 + ... + 194663.

It is an arithmetic number, because the mean of its divisors is an integer number (17329716).

Almost surely, 2205975113 is an apocalyptic number.

It is an amenable number.

205975113 is a deficient number, since it is larger than the sum of its proper divisors (71300343).

205975113 is a wasteful number, since it uses less digits than its factorization.

205975113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 205975113 is about 14351.8330884943. The cubic root of 205975113 is about 590.5702740481.

The spelling of 205975113 in words is "two hundred five million, nine hundred seventy-five thousand, one hundred thirteen".

Divisors: 1 3 163 397 489 1061 1191 3183 64711 172943 194133 421217 518829 1263651 68658371 205975113