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206229330 = 23252291437
BaseRepresentation
bin11000100101011…
…00111101010010
3112101001112110100
430102230331102
5410243314310
632244113230
75052630456
oct1422547522
9471045410
10206229330
11a645816a
1259095816
13339587b8
141d564666
1513189ec0
hexc4acf52

206229330 has 24 divisors (see below), whose sum is σ = 536196492. Its totient is φ = 54994464.

The previous prime is 206229323. The next prime is 206229343. The reversal of 206229330 is 33922602.

206229330 is a `hidden beast` number, since 2 + 0 + 622 + 9 + 3 + 30 = 666.

206229330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 176384961 + 29844369 = 13281^2 + 5463^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206229294 and 206229303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1145629 + ... + 1145808.

Almost surely, 2206229330 is an apocalyptic number.

206229330 is an abundant number, since it is smaller than the sum of its proper divisors (329967162).

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

206229330 is a wasteful number, since it uses less digits than its factorization.

206229330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291450 (or 2291447 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 206229330 is about 14360.6869612843. The cubic root of 206229330 is about 590.8131371755.

The spelling of 206229330 in words is "two hundred six million, two hundred twenty-nine thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2291437 4582874 6874311 11457185 13748622 20622933 22914370 34371555 41245866 68743110 103114665 206229330