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82068841 is a prime number
BaseRepresentation
bin1001110010001…
…00010101101001
312201102112021201
410321010111221
5132002200331
612051004201
72014400521
oct471042551
9181375251
1082068841
1142364598
1223599661
1314005c5a
14ac84681
157311a61
hex4e44569

82068841 has 2 divisors, whose sum is σ = 82068842. Its totient is φ = 82068840.

The previous prime is 82068799. The next prime is 82068859. The reversal of 82068841 is 14886028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70913241 + 11155600 = 8421^2 + 3340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82068841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82068841.

It is not a weakly prime, because it can be changed into another prime (82068541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41034420 + 41034421.

It is an arithmetic number, because the mean of its divisors is an integer number (41034421).

Almost surely, 282068841 is an apocalyptic number.

It is an amenable number.

82068841 is a deficient number, since it is larger than the sum of its proper divisors (1).

82068841 is an equidigital number, since it uses as much as digits as its factorization.

82068841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 82068841 is about 9059.1854490346. The cubic root of 82068841 is about 434.5696911762.

The spelling of 82068841 in words is "eighty-two million, sixty-eight thousand, eight hundred forty-one".