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12245808 = 243255121
BaseRepresentation
bin101110101101…
…101100110000
3212001011002110
4232231230300
511113331213
61114245320
7206042031
oct56555460
925034073
1012245808
116a04503
124126840
1326c9b53
1418aaa88
15111d5c3
hexbadb30

12245808 has 20 divisors (see below), whose sum is σ = 31635128. Its totient is φ = 4081920.

The previous prime is 12245767. The next prime is 12245819. The reversal of 12245808 is 80854221.

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, 127513 + ... + 127608.

Almost surely, 212245808 is an apocalyptic number.

It is an amenable number.

12245808 is an abundant number, since it is smaller than the sum of its proper divisors (19389320).

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

12245808 is a wasteful number, since it uses less digits than its factorization.

12245808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255132 (or 255126 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 12245808 is about 3499.4010916155. The cubic root of 12245808 is about 230.4955164343.

The spelling of 12245808 in words is "twelve million, two hundred forty-five thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 255121 510242 765363 1020484 1530726 2040968 3061452 4081936 6122904 12245808