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12305066 = 213744909
BaseRepresentation
bin101110111100…
…001010101010
3212011011101012
4232330022222
511122230231
61115423522
7206406554
oct56741252
925134335
1012305066
116a44a84
124154ba2
13271ab07
1418c44d4
151130e2b
hexbbc2aa

12305066 has 8 divisors (see below), whose sum is σ = 18592740. Its totient is φ = 6107488.

The previous prime is 12305057. The next prime is 12305071. The reversal of 12305066 is 66050321.

It can be written as a sum of positive squares in 2 ways, for example, as 12075625 + 229441 = 3475^2 + 479^2 .

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

It is a Curzon number.

It is an unprimeable number.

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, 22181 + ... + 22728.

Almost surely, 212305066 is an apocalyptic number.

12305066 is a deficient number, since it is larger than the sum of its proper divisors (6287674).

12305066 is a wasteful number, since it uses less digits than its factorization.

12305066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45048.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 12305066 is about 3507.8577508217. The cubic root of 12305066 is about 230.8667109596.

Adding to 12305066 its reverse (66050321), we get a palindrome (78355387).

The spelling of 12305066 in words is "twelve million, three hundred five thousand, sixty-six".

Divisors: 1 2 137 274 44909 89818 6152533 12305066