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68375753 is a prime number
BaseRepresentation
bin1000001001101…
…01010011001001
311202122211220022
410010311103021
5120001011003
610441310225
71460120135
oct404652311
9152584808
1068375753
1135661796
121aa95375
1311220434
14911c3c5
156009738
hex41354c9

68375753 has 2 divisors, whose sum is σ = 68375754. Its totient is φ = 68375752.

The previous prime is 68375743. The next prime is 68375759. The reversal of 68375753 is 35757386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67683529 + 692224 = 8227^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 68375753 - 26 = 68375689 is a prime.

It is not a weakly prime, because it can be changed into another prime (68375759) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34187876 + 34187877.

It is an arithmetic number, because the mean of its divisors is an integer number (34187877).

Almost surely, 268375753 is an apocalyptic number.

It is an amenable number.

68375753 is a deficient number, since it is larger than the sum of its proper divisors (1).

68375753 is an equidigital number, since it uses as much as digits as its factorization.

68375753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The square root of 68375753 is about 8268.9632361016. The cubic root of 68375753 is about 408.9159405045.

The spelling of 68375753 in words is "sixty-eight million, three hundred seventy-five thousand, seven hundred fifty-three".