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68093429 is a prime number
BaseRepresentation
bin1000000111100…
…00010111110101
311202010111121212
410003300113311
5114412442204
610431251205
71454533055
oct403602765
9152114555
1068093429
1135489668
121a979b05
1311151a91
149087565
155ea0c6e
hex40f05f5

68093429 has 2 divisors, whose sum is σ = 68093430. Its totient is φ = 68093428.

The previous prime is 68093423. The next prime is 68093489. The reversal of 68093429 is 92439086.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64368529 + 3724900 = 8023^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 68093429 - 28 = 68093173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68093423) 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, 34046714 + 34046715.

It is an arithmetic number, because the mean of its divisors is an integer number (34046715).

Almost surely, 268093429 is an apocalyptic number.

It is an amenable number.

68093429 is a deficient number, since it is larger than the sum of its proper divisors (1).

68093429 is an equidigital number, since it uses as much as digits as its factorization.

68093429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 68093429 is about 8251.8742719457. The cubic root of 68093429 is about 408.3523584453.

The spelling of 68093429 in words is "sixty-eight million, ninety-three thousand, four hundred twenty-nine".