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300050081 is a prime number
BaseRepresentation
bin10001111000100…
…110011010100001
3202220121010022222
4101320212122201
51103303100311
645435040425
710302245402
oct2170463241
9686533288
10300050081
11144409081
12845a0115
134a217836
142bbc79a9
151b51dadb
hex11e266a1

300050081 has 2 divisors, whose sum is σ = 300050082. Its totient is φ = 300050080.

The previous prime is 300050041. The next prime is 300050089. The reversal of 300050081 is 180050003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249355681 + 50694400 = 15791^2 + 7120^2 .

It is a cyclic number.

It is not a de Polignac number, because 300050081 - 218 = 299787937 is a prime.

It is a super-2 number, since 2×3000500812 = 180060102216213122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (300050089) 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, 150025040 + 150025041.

It is an arithmetic number, because the mean of its divisors is an integer number (150025041).

Almost surely, 2300050081 is an apocalyptic number.

It is an amenable number.

300050081 is a deficient number, since it is larger than the sum of its proper divisors (1).

300050081 is an equidigital number, since it uses as much as digits as its factorization.

300050081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 300050081 is about 17321.9537292997. The cubic root of 300050081 is about 669.4701989779.

The spelling of 300050081 in words is "three hundred million, fifty thousand, eighty-one".