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164205079 is a prime number
BaseRepresentation
bin10011100100110…
…01001000010111
3102102222111000121
421302121020113
5314014030304
624143252411
74032502003
oct1162311027
9372874017
10164205079
1184764785
1246baa107
132803378c
1417b45703
15e638554
hex9c99217

164205079 has 2 divisors, whose sum is σ = 164205080. Its totient is φ = 164205078.

The previous prime is 164205029. The next prime is 164205131. The reversal of 164205079 is 970502461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164205079 - 27 = 164204951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164205029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82102539 + 82102540.

It is an arithmetic number, because the mean of its divisors is an integer number (82102540).

Almost surely, 2164205079 is an apocalyptic number.

164205079 is a deficient number, since it is larger than the sum of its proper divisors (1).

164205079 is an equidigital number, since it uses as much as digits as its factorization.

164205079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 164205079 is about 12814.2529630096. The cubic root of 164205079 is about 547.5984313202.

The spelling of 164205079 in words is "one hundred sixty-four million, two hundred five thousand, seventy-nine".