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12305208 = 233512717
BaseRepresentation
bin101110111100…
…001100111000
3212011011120110
4232330030320
511122231313
61115424320
7206410146
oct56741470
925134513
1012305208
116a450a3
1241550a0
13271abb6
1418c4596
151130ec3
hexbbc338

12305208 has 16 divisors (see below), whose sum is σ = 30763080. Its totient is φ = 4101728.

The previous prime is 12305197. The next prime is 12305213. The reversal of 12305208 is 80250321.

It is a congruent 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, 256335 + ... + 256382.

Almost surely, 212305208 is an apocalyptic number.

It is an amenable number.

12305208 is an abundant number, since it is smaller than the sum of its proper divisors (18457872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12305208 is a wasteful number, since it uses less digits than its factorization.

12305208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512726 (or 512722 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12305208 is about 3507.8779910367. The cubic root of 12305208 is about 230.8675990206.

Adding to 12305208 its reverse (80250321), we get a palindrome (92555529).

The spelling of 12305208 in words is "twelve million, three hundred five thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 24 512717 1025434 1538151 2050868 3076302 4101736 6152604 12305208