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206323829 is a prime number
BaseRepresentation
bin11000100110001…
…00000001110101
3112101020100002022
430103010001311
5410304330304
632250122525
75053503125
oct1423040165
9471210068
10206323829
11a6512168
1259120445
133398c80a
141d58ac85
15131a7ebe
hexc4c4075

206323829 has 2 divisors, whose sum is σ = 206323830. Its totient is φ = 206323828.

The previous prime is 206323801. The next prime is 206323841. The reversal of 206323829 is 928323602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205262929 + 1060900 = 14327^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 206323829 - 224 = 189546613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206323129) 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 as a sum of consecutive naturals, namely, 103161914 + 103161915.

It is an arithmetic number, because the mean of its divisors is an integer number (103161915).

Almost surely, 2206323829 is an apocalyptic number.

It is an amenable number.

206323829 is a deficient number, since it is larger than the sum of its proper divisors (1).

206323829 is an equidigital number, since it uses as much as digits as its factorization.

206323829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 206323829 is about 14363.9767822146. The cubic root of 206323829 is about 590.9033647636.

The spelling of 206323829 in words is "two hundred six million, three hundred twenty-three thousand, eight hundred twenty-nine".