Search a number
-
+
68876219 is a prime number
BaseRepresentation
bin1000001101011…
…11011110111011
311210121021102002
410012233132323
5120113014334
610500131215
71464303206
oct406573673
9153537362
1068876219
11359737a5
121b096b0b
1311367179
14920c93d
1560a7b7e
hex41af7bb

68876219 has 2 divisors, whose sum is σ = 68876220. Its totient is φ = 68876218.

The previous prime is 68876209. The next prime is 68876251. The reversal of 68876219 is 91267886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68876219 - 216 = 68810683 is a prime.

It is a super-2 number, since 2×688762192 = 9487867087471922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68876209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34438109 + 34438110.

It is an arithmetic number, because the mean of its divisors is an integer number (34438110).

Almost surely, 268876219 is an apocalyptic number.

68876219 is a deficient number, since it is larger than the sum of its proper divisors (1).

68876219 is an equidigital number, since it uses as much as digits as its factorization.

68876219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 68876219 is about 8299.1697777549. The cubic root of 68876219 is about 409.9111824267.

The spelling of 68876219 in words is "sixty-eight million, eight hundred seventy-six thousand, two hundred nineteen".