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12166808 = 231520851
BaseRepresentation
bin101110011010…
…011010011000
3211220010201112
4232122122120
511103314213
61112435452
7205262513
oct56323230
924803645
1012166808
116960115
1240a8b88
13269cbc4
141889d7a
151104ea8
hexb9a698

12166808 has 8 divisors (see below), whose sum is σ = 22812780. Its totient is φ = 6083400.

The previous prime is 12166801. The next prime is 12166811. The reversal of 12166808 is 80866121.

12166808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12166801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760418 + ... + 760433.

Almost surely, 212166808 is an apocalyptic number.

It is an amenable number.

12166808 is a deficient number, since it is larger than the sum of its proper divisors (10645972).

12166808 is a wasteful number, since it uses less digits than its factorization.

12166808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520857 (or 1520853 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12166808 is about 3488.0951821876. The cubic root of 12166808 is about 229.9987901638.

The spelling of 12166808 in words is "twelve million, one hundred sixty-six thousand, eight hundred eight".

Divisors: 1 2 4 8 1520851 3041702 6083404 12166808