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68777341 is a prime number
BaseRepresentation
bin1000001100101…
…11010101111101
311210102020202221
410012113111331
5120101333331
610454045341
71463412013
oct406272575
9153366687
1068777341
1135906486
121b049851
1311331169
1491c48b3
156088711
hex419757d

68777341 has 2 divisors, whose sum is σ = 68777342. Its totient is φ = 68777340.

The previous prime is 68777333. The next prime is 68777351. The reversal of 68777341 is 14377786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67716441 + 1060900 = 8229^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 68777341 - 23 = 68777333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68777351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34388670 + 34388671.

It is an arithmetic number, because the mean of its divisors is an integer number (34388671).

Almost surely, 268777341 is an apocalyptic number.

It is an amenable number.

68777341 is a deficient number, since it is larger than the sum of its proper divisors (1).

68777341 is an equidigital number, since it uses as much as digits as its factorization.

68777341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The square root of 68777341 is about 8293.2105363363. The cubic root of 68777341 is about 409.7149337100.

The spelling of 68777341 in words is "sixty-eight million, seven hundred seventy-seven thousand, three hundred forty-one".