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68803297 is a prime number
BaseRepresentation
bin1000001100111…
…01101011100001
311210110120101021
410012131223201
5120103201142
610454405441
71463550463
oct406355341
9153416337
1068803297
1135923a32
121b060881
131133cc14
1491d0133
156091267
hex419dae1

68803297 has 2 divisors, whose sum is σ = 68803298. Its totient is φ = 68803296.

The previous prime is 68803261. The next prime is 68803309. The reversal of 68803297 is 79230886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39740416 + 29062881 = 6304^2 + 5391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68803297 is a prime.

It is not a weakly prime, because it can be changed into another prime (68803697) 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, 34401648 + 34401649.

It is an arithmetic number, because the mean of its divisors is an integer number (34401649).

Almost surely, 268803297 is an apocalyptic number.

It is an amenable number.

68803297 is a deficient number, since it is larger than the sum of its proper divisors (1).

68803297 is an equidigital number, since it uses as much as digits as its factorization.

68803297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 68803297 is about 8294.7752832732. The cubic root of 68803297 is about 409.7664682374.

The spelling of 68803297 in words is "sixty-eight million, eight hundred three thousand, two hundred ninety-seven".