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66463042 = 297342593
BaseRepresentation
bin1111110110001…
…0010101000010
311122001200011011
43331202111002
5114003304132
610332311134
71434632542
oct375422502
9148050134
1066463042
1134575738
121a3124aa
1310a00959
148b81322
155c7cb47
hex3f62542

66463042 has 8 divisors (see below), whose sum is σ = 100722636. Its totient is φ = 32888832.

The previous prime is 66463003. The next prime is 66463049. The reversal of 66463042 is 24036466.

66463042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 61449921 + 5013121 = 7839^2 + 2239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66462995 and 66463013.

It is not an unprimeable number, because it can be changed into a prime (66463049) 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 in 3 ways as a sum of consecutive naturals, for example, 171103 + ... + 171490.

Almost surely, 266463042 is an apocalyptic number.

66463042 is a deficient number, since it is larger than the sum of its proper divisors (34259594).

66463042 is a wasteful number, since it uses less digits than its factorization.

66463042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342692.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 66463042 is about 8152.4868598483. The cubic root of 66463042 is about 405.0668832283.

The spelling of 66463042 in words is "sixty-six million, four hundred sixty-three thousand, forty-two".

Divisors: 1 2 97 194 342593 685186 33231521 66463042