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306130871 is a prime number
BaseRepresentation
bin10010001111110…
…010111110110111
3210100001001121102
4102033302332313
51111332141441
650213240315
710405032554
oct2217627667
9710031542
10306130871
11147891722
128663309b
134b566537
142c92ba2b
151bd2069b
hex123f2fb7

306130871 has 2 divisors, whose sum is σ = 306130872. Its totient is φ = 306130870.

The previous prime is 306130843. The next prime is 306130949. The reversal of 306130871 is 178031603.

It is a weak prime.

It is an emirp because it is prime and its reverse (178031603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 306130871 - 218 = 305868727 is a prime.

It is a super-2 number, since 2×3061308712 = 187432220358437282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306130841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153065435 + 153065436.

It is an arithmetic number, because the mean of its divisors is an integer number (153065436).

Almost surely, 2306130871 is an apocalyptic number.

306130871 is a deficient number, since it is larger than the sum of its proper divisors (1).

306130871 is an equidigital number, since it uses as much as digits as its factorization.

306130871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 306130871 is about 17496.5959832191. The cubic root of 306130871 is about 673.9624634591.

The spelling of 306130871 in words is "three hundred six million, one hundred thirty thousand, eight hundred seventy-one".