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206286043 is a prime number
BaseRepresentation
bin11000100101110…
…10110011011011
3112101011102020211
430102322303123
5410302123133
632245231551
75053255015
oct1422726333
9471142224
10206286043
11a6496837
12591025b7
1333978562
141d57b1b5
151319bbcd
hexc4bacdb

206286043 has 2 divisors, whose sum is σ = 206286044. Its totient is φ = 206286042.

The previous prime is 206286001. The next prime is 206286071. The reversal of 206286043 is 340682602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-206286043 is a prime.

It is a super-3 number, since 3×2062860433 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206285996 and 206286014.

It is not a weakly prime, because it can be changed into another prime (206286343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103143021 + 103143022.

It is an arithmetic number, because the mean of its divisors is an integer number (103143022).

Almost surely, 2206286043 is an apocalyptic number.

206286043 is a deficient number, since it is larger than the sum of its proper divisors (1).

206286043 is an equidigital number, since it uses as much as digits as its factorization.

206286043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 206286043 is about 14362.6614177178. The cubic root of 206286043 is about 590.8672900199.

The spelling of 206286043 in words is "two hundred six million, two hundred eighty-six thousand, forty-three".