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206080542 = 23211448919
BaseRepresentation
bin11000100100010…
…00101000011110
3112100202222100200
430102020220132
5410224034132
632241004330
75051440623
oct1422105036
9470688320
10206080542
11a63663a8
12590236a6
1333905b65
141d52634a
151315ad7c
hexc488a1e

206080542 has 12 divisors (see below), whose sum is σ = 446507880. Its totient is φ = 68693508.

The previous prime is 206080519. The next prime is 206080547. The reversal of 206080542 is 245080602.

206080542 is a `hidden beast` number, since 2 + 0 + 608 + 0 + 54 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206080547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5724442 + ... + 5724477.

It is an arithmetic number, because the mean of its divisors is an integer number (37208990).

Almost surely, 2206080542 is an apocalyptic number.

206080542 is an abundant number, since it is smaller than the sum of its proper divisors (240427338).

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

206080542 is a wasteful number, since it uses less digits than its factorization.

206080542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11448927 (or 11448924 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 206080542 is about 14355.5056337281. The cubic root of 206080542 is about 590.6710186030.

The spelling of 206080542 in words is "two hundred six million, eighty thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 11448919 22897838 34346757 68693514 103040271 206080542