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8319109 is a prime number
BaseRepresentation
bin11111101111000010000101
3120122122200011
4133233002011
54112202414
6454150221
7130465651
oct37570205
916578604
108319109
1147722a7
122952371
131953766
141167a61
15ae4dc4
hex7ef085

8319109 has 2 divisors, whose sum is σ = 8319110. Its totient is φ = 8319108.

The previous prime is 8319089. The next prime is 8319121. The reversal of 8319109 is 9019138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5688225 + 2630884 = 2385^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 8319109 - 219 = 7794821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8319209) 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, 4159554 + 4159555.

It is an arithmetic number, because the mean of its divisors is an integer number (4159555).

Almost surely, 28319109 is an apocalyptic number.

It is an amenable number.

8319109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8319109 is an equidigital number, since it uses as much as digits as its factorization.

8319109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 8319109 is about 2884.2865669000. The cubic root of 8319109 is about 202.6246471322.

The spelling of 8319109 in words is "eight million, three hundred nineteen thousand, one hundred nine".