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82038643 is a prime number
BaseRepresentation
bin1001110001111…
…00111101110011
312201100222212021
410320330331303
5132000214033
612050212311
72014213501
oct470747563
9181328767
1082038643
1142343935
1223584097
1313cc529b
14ac77671
157307b2d
hex4e3cf73

82038643 has 2 divisors, whose sum is σ = 82038644. Its totient is φ = 82038642.

The previous prime is 82038629. The next prime is 82038653. The reversal of 82038643 is 34683028.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82038643 - 225 = 48484211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82038599 and 82038608.

It is not a weakly prime, because it can be changed into another prime (82038613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41019321 + 41019322.

It is an arithmetic number, because the mean of its divisors is an integer number (41019322).

Almost surely, 282038643 is an apocalyptic number.

82038643 is a deficient number, since it is larger than the sum of its proper divisors (1).

82038643 is an equidigital number, since it uses as much as digits as its factorization.

82038643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 82038643 is about 9057.5185895476. The cubic root of 82038643 is about 434.5163833057.

The spelling of 82038643 in words is "eighty-two million, thirty-eight thousand, six hundred forty-three".