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205228339 = 3161108529
BaseRepresentation
bin11000011101110…
…00100100110011
3112022011200100121
430032320210303
5410014301324
632210431111
75041261231
oct1416704463
9468150317
10205228339
11a59340a8
1258892497
1333697cb4
141d383951
151303d5e4
hexc3b8933

205228339 has 8 divisors (see below), whose sum is σ = 215323520. Its totient is φ = 195350400.

The previous prime is 205228337. The next prime is 205228421. The reversal of 205228339 is 933822502.

205228339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205228339 - 21 = 205228337 is a prime.

It is a super-2 number, since 2×2052283392 = 84237342257397842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205228337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52374 + ... + 56155.

It is an arithmetic number, because the mean of its divisors is an integer number (26915440).

Almost surely, 2205228339 is an apocalyptic number.

205228339 is a deficient number, since it is larger than the sum of its proper divisors (10095181).

205228339 is a wasteful number, since it uses less digits than its factorization.

205228339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108621.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 205228339 is about 14325.7927878355. The cubic root of 205228339 is about 589.8556948622.

The spelling of 205228339 in words is "two hundred five million, two hundred twenty-eight thousand, three hundred thirty-nine".

Divisors: 1 31 61 1891 108529 3364399 6620269 205228339