Search a number
-
+
3808109 is a prime number
BaseRepresentation
bin1110100001101101101101
321011110202002
432201231231
51433324414
6213342045
744240234
oct16415555
97143662
103808109
1121710a8
121337925
13a34426
14711b1b
155034de
hex3a1b6d

3808109 has 2 divisors, whose sum is σ = 3808110. Its totient is φ = 3808108.

The previous prime is 3808073. The next prime is 3808127. The reversal of 3808109 is 9018083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2630884 + 1177225 = 1622^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 3808109 - 216 = 3742573 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 (3808139) 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, 1904054 + 1904055.

It is an arithmetic number, because the mean of its divisors is an integer number (1904055).

Almost surely, 23808109 is an apocalyptic number.

It is an amenable number.

3808109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3808109 is an equidigital number, since it uses as much as digits as its factorization.

3808109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 3808109 is about 1951.4376751513. The cubic root of 3808109 is about 156.1599963791.

The spelling of 3808109 in words is "three million, eight hundred eight thousand, one hundred nine".