Base | Representation |
---|---|
bin | 110000110111… |
… | …000000000000 |
3 | 220002201112111 |
4 | 300313000000 |
5 | 11234330232 |
6 | 1134305104 |
7 | 213603445 |
oct | 60670000 |
9 | 26081474 |
10 | 12808192 |
11 | 7258a91 |
12 | 4358194 |
13 | 2865b17 |
14 | 19b59cc |
15 | 11d0047 |
hex | c37000 |
12808192 has 52 divisors (see below), whose sum is σ = 26538840. Its totient is φ = 6176768.
The previous prime is 12808183. The next prime is 12808193. The reversal of 12808192 is 29180821.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12808193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217059 + ... + 217117.
Almost surely, 212808192 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 12808192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13269420).
12808192 is an abundant number, since it is smaller than the sum of its proper divisors (13730648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12808192 is an frugal number, since it uses more digits than its factorization.
12808192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136 (or 114 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 31.
The square root of 12808192 is about 3578.8534476840. The cubic root of 12808192 is about 233.9713116509.
It can be divided in two parts, 1280819 and 2, that added together give a palindrome (1280821).
The spelling of 12808192 in words is "twelve million, eight hundred eight thousand, one hundred ninety-two".
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