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66062471 is a prime number
BaseRepresentation
bin1111110000000…
…0100010000111
311121022022200012
43330000202013
5113402444341
610315540435
71431343646
oct374004207
9147268605
1066062471
1134321792
121a15a71b
13108c0527
148ab935d
155bee0eb
hex3f00887

66062471 has 2 divisors, whose sum is σ = 66062472. Its totient is φ = 66062470.

The previous prime is 66062453. The next prime is 66062497. The reversal of 66062471 is 17426066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66062471 - 210 = 66061447 is a prime.

It is a super-3 number, since 3×660624713 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66062441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33031235 + 33031236.

It is an arithmetic number, because the mean of its divisors is an integer number (33031236).

Almost surely, 266062471 is an apocalyptic number.

66062471 is a deficient number, since it is larger than the sum of its proper divisors (1).

66062471 is an equidigital number, since it uses as much as digits as its factorization.

66062471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 66062471 is about 8127.8823195221. The cubic root of 66062471 is about 404.2514670589.

The spelling of 66062471 in words is "sixty-six million, sixty-two thousand, four hundred seventy-one".