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68496529 is a prime number
BaseRepresentation
bin1000001010100…
…10110010010001
311202212222120111
410011102302101
5120013342104
610444041321
71461132223
oct405226221
9152788514
1068496529
1135734502
121ab33241
13112633ba
149150413
156030404
hex4152c91

68496529 has 2 divisors, whose sum is σ = 68496530. Its totient is φ = 68496528.

The previous prime is 68496523. The next prime is 68496541. The reversal of 68496529 is 92569486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 13395600 = 7423^2 + 3660^2 .

It is a cyclic number.

It is not a de Polignac number, because 68496529 - 29 = 68496017 is a prime.

It is not a weakly prime, because it can be changed into another prime (68496523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34248264 + 34248265.

It is an arithmetic number, because the mean of its divisors is an integer number (34248265).

Almost surely, 268496529 is an apocalyptic number.

It is an amenable number.

68496529 is a deficient number, since it is larger than the sum of its proper divisors (1).

68496529 is an equidigital number, since it uses as much as digits as its factorization.

68496529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 68496529 is about 8276.2629851884. The cubic root of 68496529 is about 409.1565627498.

The spelling of 68496529 in words is "sixty-eight million, four hundred ninety-six thousand, five hundred twenty-nine".