Base | Representation |
---|---|
bin | 110000010101… |
… | …000101101000 |
3 | 212211122222220 |
4 | 300111011220 |
5 | 11220404123 |
6 | 1131314040 |
7 | 212454462 |
oct | 60250550 |
9 | 25748886 |
10 | 12669288 |
11 | 7173695 |
12 | 42ab920 |
13 | 2817828 |
14 | 197b132 |
15 | 11a3ce3 |
hex | c15168 |
12669288 has 64 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 4015872.
The previous prime is 12669263. The next prime is 12669289. The reversal of 12669288 is 88296621.
It is not an unprimeable number, because it can be changed into a prime (12669289) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75781 + ... + 75947.
It is an arithmetic number, because the mean of its divisors is an integer number (519750).
Almost surely, 212669288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12669288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16632000).
12669288 is an abundant number, since it is smaller than the sum of its proper divisors (20594712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12669288 is a wasteful number, since it uses less digits than its factorization.
12669288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314 (or 310 counting only the distinct ones).
The product of its digits is 82944, while the sum is 42.
The square root of 12669288 is about 3559.3943305006. The cubic root of 12669288 is about 233.1224343792.
The spelling of 12669288 in words is "twelve million, six hundred sixty-nine thousand, two hundred eighty-eight".
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