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66584083 is a prime number
BaseRepresentation
bin1111110111111…
…1111000010011
311122021211012011
43331333320103
5114021142313
610335043351
71435645456
oct375777023
9148254164
1066584083
1134648675
121a370557
1310a43a87
148bb349d
155ca393d
hex3f7fe13

66584083 has 2 divisors, whose sum is σ = 66584084. Its totient is φ = 66584082.

The previous prime is 66584051. The next prime is 66584099. The reversal of 66584083 is 38048566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66584083 - 25 = 66584051 is a prime.

It is not a weakly prime, because it can be changed into another prime (66584183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33292041 + 33292042.

It is an arithmetic number, because the mean of its divisors is an integer number (33292042).

Almost surely, 266584083 is an apocalyptic number.

66584083 is a deficient number, since it is larger than the sum of its proper divisors (1).

66584083 is an equidigital number, since it uses as much as digits as its factorization.

66584083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 66584083 is about 8159.9070460392. The cubic root of 66584083 is about 405.3126336749.

It can be divided in two parts, 665 and 84083, that added together give a palindrome (84748).

The spelling of 66584083 in words is "sixty-six million, five hundred eighty-four thousand, eighty-three".