Base | Representation |
---|---|
bin | 101110100011… |
… | …100010101101 |
3 | 211222001000121 |
4 | 232203202231 |
5 | 11111013310 |
6 | 1113324541 |
7 | 205506526 |
oct | 56434255 |
9 | 24861017 |
10 | 12204205 |
11 | 6986222 |
12 | 4106751 |
13 | 26b3c30 |
14 | 189984d |
15 | 11110da |
hex | ba38ad |
12204205 has 16 divisors (see below), whose sum is σ = 15845760. Its totient is φ = 8970048.
The previous prime is 12204197. The next prime is 12204211. The reversal of 12204205 is 50240221.
12204205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12204205 - 23 = 12204197 is a prime.
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 15 ways as a sum of consecutive naturals, for example, 23074 + ... + 23596.
It is an arithmetic number, because the mean of its divisors is an integer number (990360).
Almost surely, 212204205 is an apocalyptic number.
It is an amenable number.
12204205 is a deficient number, since it is larger than the sum of its proper divisors (3641555).
12204205 is a wasteful number, since it uses less digits than its factorization.
12204205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 900.
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 12204205 is about 3493.4517314542. The cubic root of 12204205 is about 230.2341974903.
Adding to 12204205 its reverse (50240221), we get a palindrome (62444426).
The spelling of 12204205 in words is "twelve million, two hundred four thousand, two hundred five".
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