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68535827 is a prime number
BaseRepresentation
bin1000001010111…
…00011000010011
311202221222110222
410011130120103
5120021121302
610444543255
71461354623
oct405343023
9152858428
1068535827
1135760a88
121ab51b2b
1311278259
149160883
15603bda2
hex415c613

68535827 has 2 divisors, whose sum is σ = 68535828. Its totient is φ = 68535826.

The previous prime is 68535781. The next prime is 68535871. The reversal of 68535827 is 72853586.

It is an a-pointer prime, because the next prime (68535871) can be obtained adding 68535827 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68535827 - 214 = 68519443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68535127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34267913 + 34267914.

It is an arithmetic number, because the mean of its divisors is an integer number (34267914).

Almost surely, 268535827 is an apocalyptic number.

68535827 is a deficient number, since it is larger than the sum of its proper divisors (1).

68535827 is an equidigital number, since it uses as much as digits as its factorization.

68535827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The square root of 68535827 is about 8278.6367839156. The cubic root of 68535827 is about 409.2347952328.

The spelling of 68535827 in words is "sixty-eight million, five hundred thirty-five thousand, eight hundred twenty-seven".