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663665062 = 21572113583
BaseRepresentation
bin100111100011101…
…011100110100110
31201020210200022111
4213203223212212
52324344240222
6145504351234
722306026364
oct4743534646
91636720274
10663665062
11310692425
1216631551a
13a7659b28
14641da634
153d3e6777
hex278eb9a6

663665062 has 8 divisors (see below), whose sum is σ = 1001838816. Its totient is φ = 329718792.

The previous prime is 663665059. The next prime is 663665089. The reversal of 663665062 is 260566366.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1056478 + ... + 1057105.

It is an arithmetic number, because the mean of its divisors is an integer number (125229852).

Almost surely, 2663665062 is an apocalyptic number.

663665062 is a deficient number, since it is larger than the sum of its proper divisors (338173754).

663665062 is a wasteful number, since it uses less digits than its factorization.

663665062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113742.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 663665062 is about 25761.6975760527. The cubic root of 663665062 is about 872.2674205406.

The spelling of 663665062 in words is "six hundred sixty-three million, six hundred sixty-five thousand, sixty-two".

Divisors: 1 2 157 314 2113583 4227166 331832531 663665062