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68204701 is a prime number
BaseRepresentation
bin1000001000010…
…11100010011101
311202100011021001
410010023202131
5114430022301
610433510301
71455505345
oct404134235
9152304231
1068204701
1135555224
121aa12391
1311190616
1490b5d25
155ec3c01
hex410b89d

68204701 has 2 divisors, whose sum is σ = 68204702. Its totient is φ = 68204700.

The previous prime is 68204671. The next prime is 68204707. The reversal of 68204701 is 10740286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67980025 + 224676 = 8245^2 + 474^2 .

It is a cyclic number.

It is not a de Polignac number, because 68204701 - 27 = 68204573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68204701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68204707) 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, 34102350 + 34102351.

It is an arithmetic number, because the mean of its divisors is an integer number (34102351).

Almost surely, 268204701 is an apocalyptic number.

It is an amenable number.

68204701 is a deficient number, since it is larger than the sum of its proper divisors (1).

68204701 is an equidigital number, since it uses as much as digits as its factorization.

68204701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 68204701 is about 8258.6137456597. The cubic root of 68204701 is about 408.5746679811.

Adding to 68204701 its reverse (10740286), we get a palindrome (78944987).

The spelling of 68204701 in words is "sixty-eight million, two hundred four thousand, seven hundred one".