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205289094 = 23103332183
BaseRepresentation
bin11000011110001…
…11011010000110
3112022021202200210
430033013122012
5410023222334
632212020250
75041633323
oct1417073206
9468252623
10205289094
11a597580a
1258901686
13336b984a
141d39bb4a
15130515e9
hexc3c7686

205289094 has 16 divisors (see below), whose sum is σ = 414565632. Its totient is φ = 67765128.

The previous prime is 205289089. The next prime is 205289113. The reversal of 205289094 is 490982502.

205289094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2052890942 = 84287224230681672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165474 + ... + 166709.

It is an arithmetic number, because the mean of its divisors is an integer number (25910352).

Almost surely, 2205289094 is an apocalyptic number.

205289094 is an abundant number, since it is smaller than the sum of its proper divisors (209276538).

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

205289094 is a wasteful number, since it uses less digits than its factorization.

205289094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332291.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 205289094 is about 14327.9131069392. The cubic root of 205289094 is about 589.9138953154.

The spelling of 205289094 in words is "two hundred five million, two hundred eighty-nine thousand, ninety-four".

Divisors: 1 2 3 6 103 206 309 618 332183 664366 996549 1993098 34214849 68429698 102644547 205289094