Base | Representation |
---|---|
bin | 110001010011… |
… | …110011111101 |
3 | 220022201102100 |
4 | 301103303331 |
5 | 11302114310 |
6 | 1141015313 |
7 | 214604505 |
oct | 61236375 |
9 | 26281370 |
10 | 12926205 |
11 | 7329716 |
12 | 43b4539 |
13 | 28a7756 |
14 | 1a06a05 |
15 | 1204ec0 |
hex | c53cfd |
12926205 has 48 divisors (see below), whose sum is σ = 24199344. Its totient is φ = 6359040.
The previous prime is 12926203. The next prime is 12926219. The reversal of 12926205 is 50262921.
It can be written as a sum of positive squares in 8 ways, for example, as 1996569 + 10929636 = 1413^2 + 3306^2 .
It is not a de Polignac number, because 12926205 - 21 = 12926203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12926203) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46527 + ... + 46803.
It is an arithmetic number, because the mean of its divisors is an integer number (504153).
Almost surely, 212926205 is an apocalyptic number.
12926205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12926205 is a deficient number, since it is larger than the sum of its proper divisors (11273139).
12926205 is a wasteful number, since it uses less digits than its factorization.
12926205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 366 (or 363 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 12926205 is about 3595.3031861027. The cubic root of 12926205 is about 234.6877095222.
It can be divided in two parts, 12926 and 205, that added together give a palindrome (13131).
The spelling of 12926205 in words is "twelve million, nine hundred twenty-six thousand, two hundred five".
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