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82756361 is a prime number
BaseRepresentation
bin1001110111011…
…00001100001001
312202201110101102
410323230030021
5132141200421
612113431145
72023263122
oct473541411
9182643342
1082756361
1142794096
122386b4b5
13141b6b7c
14adc3049
1573ea60b
hex4eec309

82756361 has 2 divisors, whose sum is σ = 82756362. Its totient is φ = 82756360.

The previous prime is 82756319. The next prime is 82756403. The reversal of 82756361 is 16365728.

It is a balanced prime because it is at equal distance from previous prime (82756319) and next prime (82756403).

It can be written as a sum of positive squares in only one way, i.e., 67980025 + 14776336 = 8245^2 + 3844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82756361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82756301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41378180 + 41378181.

It is an arithmetic number, because the mean of its divisors is an integer number (41378181).

Almost surely, 282756361 is an apocalyptic number.

It is an amenable number.

82756361 is a deficient number, since it is larger than the sum of its proper divisors (1).

82756361 is an equidigital number, since it uses as much as digits as its factorization.

82756361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 82756361 is about 9097.0523247918. The cubic root of 82756361 is about 435.7798333606.

The spelling of 82756361 in words is "eighty-two million, seven hundred fifty-six thousand, three hundred sixty-one".