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206334129 = 319892457
BaseRepresentation
bin11000100110001…
…10100010110001
3112101020212012210
430103012202301
5410310143004
632250242333
75053545141
oct1423064261
9471225183
10206334129
11a6519981
12591263a9
1333994401
141d590921
15131ab089
hexc4c68b1

206334129 has 24 divisors (see below), whose sum is σ = 293523040. Its totient is φ = 128570112.

The previous prime is 206334113. The next prime is 206334179. The reversal of 206334129 is 921433602.

It is not a de Polignac number, because 206334129 - 24 = 206334113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206334096 and 206334105.

It is not an unprimeable number, because it can be changed into a prime (206334179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451269 + ... + 451725.

Almost surely, 2206334129 is an apocalyptic number.

It is an amenable number.

206334129 is a deficient number, since it is larger than the sum of its proper divisors (87188911).

206334129 is an equidigital number, since it uses as much as digits as its factorization.

206334129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 206334129 is about 14364.3353135465. The cubic root of 206334129 is about 590.9131975322.

The spelling of 206334129 in words is "two hundred six million, three hundred thirty-four thousand, one hundred twenty-nine".

Divisors: 1 3 19 57 89 267 457 1371 1691 5073 7921 8683 23763 26049 40673 122019 150499 451497 772787 2318361 3619897 10859691 68778043 206334129