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205208112 = 24315972677
BaseRepresentation
bin11000011101100…
…11101000110000
3112022010122121110
430032303220300
5410013124422
632210153320
75041145244
oct1416635060
9468118543
10205208112
11a591a98a
1258882840
133368ba25
141d37a424
151303760c
hexc3b3a30

205208112 has 40 divisors (see below), whose sum is σ = 530651056. Its totient is φ = 68334336.

The previous prime is 205208099. The next prime is 205208119. The reversal of 205208112 is 211802502.

It is a happy number.

It is a super-2 number, since 2×2052081122 = 84220738461209088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205208119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 75318 + ... + 77994.

Almost surely, 2205208112 is an apocalyptic number.

It is an amenable number.

205208112 is an abundant number, since it is smaller than the sum of its proper divisors (325442944).

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

205208112 is a wasteful number, since it uses less digits than its factorization.

205208112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285 (or 4279 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 205208112 is about 14325.0868060197. The cubic root of 205208112 is about 589.8363157920.

The spelling of 205208112 in words is "two hundred five million, two hundred eight thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 1597 2677 3194 4791 5354 6388 8031 9582 10708 12776 16062 19164 21416 25552 32124 38328 42832 64248 76656 128496 4275169 8550338 12825507 17100676 25651014 34201352 51302028 68402704 102604056 205208112