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68030609 is a prime number
BaseRepresentation
bin1000000111000…
…01000010010001
311202000022110012
410003201002101
5114403434414
610430044305
71454151653
oct403410221
9152008405
1068030609
1135446449
121a949695
131112c2ca
14906c6d3
155e8c33e
hex40e1091

68030609 has 2 divisors, whose sum is σ = 68030610. Its totient is φ = 68030608.

The previous prime is 68030587. The next prime is 68030629. The reversal of 68030609 is 90603086.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67699984 + 330625 = 8228^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 68030609 - 212 = 68026513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68030629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34015304 + 34015305.

It is an arithmetic number, because the mean of its divisors is an integer number (34015305).

Almost surely, 268030609 is an apocalyptic number.

It is an amenable number.

68030609 is a deficient number, since it is larger than the sum of its proper divisors (1).

68030609 is an equidigital number, since it uses as much as digits as its factorization.

68030609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 68030609 is about 8248.0669856640. The cubic root of 68030609 is about 408.2267438387.

The spelling of 68030609 in words is "sixty-eight million, thirty thousand, six hundred nine".