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66394483 is a prime number
BaseRepresentation
bin1111110101000…
…1100101110011
311121221012002221
43331101211303
5113444110413
610331021511
71434225631
oct375214563
9147835087
1066394483
1134529181
121a29a897
13109a869c
148b64351
155c6768d
hex3f51973

66394483 has 2 divisors, whose sum is σ = 66394484. Its totient is φ = 66394482.

The previous prime is 66394429. The next prime is 66394511. The reversal of 66394483 is 38449366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66394483 - 213 = 66386291 is a prime.

It is not a weakly prime, because it can be changed into another prime (66394183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33197241 + 33197242.

It is an arithmetic number, because the mean of its divisors is an integer number (33197242).

Almost surely, 266394483 is an apocalyptic number.

66394483 is a deficient number, since it is larger than the sum of its proper divisors (1).

66394483 is an equidigital number, since it uses as much as digits as its factorization.

66394483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The square root of 66394483 is about 8148.2809843549. The cubic root of 66394483 is about 404.9275549941.

The spelling of 66394483 in words is "sixty-six million, three hundred ninety-four thousand, four hundred eighty-three".