Search a number
-
+
108808321 is a prime number
BaseRepresentation
bin1100111110001…
…00100010000001
321120202000221211
412133010202001
5210323331241
614444050121
72460566266
oct637044201
9246660854
10108808321
1156468336
1230533941
1319708b2b
141064526d
159844781
hex67c4881

108808321 has 2 divisors, whose sum is σ = 108808322. Its totient is φ = 108808320.

The previous prime is 108808309. The next prime is 108808339. The reversal of 108808321 is 123808801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89094721 + 19713600 = 9439^2 + 4440^2 .

It is a cyclic number.

It is not a de Polignac number, because 108808321 - 215 = 108775553 is a prime.

It is not a weakly prime, because it can be changed into another prime (108808351) 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, 54404160 + 54404161.

It is an arithmetic number, because the mean of its divisors is an integer number (54404161).

Almost surely, 2108808321 is an apocalyptic number.

It is an amenable number.

108808321 is a deficient number, since it is larger than the sum of its proper divisors (1).

108808321 is an equidigital number, since it uses as much as digits as its factorization.

108808321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 108808321 is about 10431.1227104277. The cubic root of 108808321 is about 477.4054467715.

The spelling of 108808321 in words is "one hundred eight million, eight hundred eight thousand, three hundred twenty-one".