Search a number
-
+
108795209 is a prime number
BaseRepresentation
bin1100111110000…
…01010101001001
321120201100222012
412133001111021
5210322421314
614443505305
72460513125
oct637012511
9246640865
10108795209
11564594a6
1230528235
1319702b83
1410640585
15984093e
hex67c1549

108795209 has 2 divisors, whose sum is σ = 108795210. Its totient is φ = 108795208.

The previous prime is 108795199. The next prime is 108795251. The reversal of 108795209 is 902597801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108160000 + 635209 = 10400^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 108795209 - 212 = 108791113 is a prime.

It is not a weakly prime, because it can be changed into another prime (108795259) 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, 54397604 + 54397605.

It is an arithmetic number, because the mean of its divisors is an integer number (54397605).

Almost surely, 2108795209 is an apocalyptic number.

It is an amenable number.

108795209 is a deficient number, since it is larger than the sum of its proper divisors (1).

108795209 is an equidigital number, since it uses as much as digits as its factorization.

108795209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 108795209 is about 10430.4941877171. The cubic root of 108795209 is about 477.3862693421.

The spelling of 108795209 in words is "one hundred eight million, seven hundred ninety-five thousand, two hundred nine".