Base | Representation |
---|---|
bin | 110000100111… |
… | …111010001100 |
3 | 212222120202011 |
4 | 300213322030 |
5 | 11230341010 |
6 | 1133111004 |
7 | 213225313 |
oct | 60477214 |
9 | 25876664 |
10 | 12746380 |
11 | 72165a9 |
12 | 4328464 |
13 | 284394a |
14 | 199b27a |
15 | 11bba8a |
hex | c27e8c |
12746380 has 12 divisors (see below), whose sum is σ = 26767440. Its totient is φ = 5098544.
The previous prime is 12746339. The next prime is 12746381. The reversal of 12746380 is 8364721.
12746380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12746381) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318640 + ... + 318679.
It is an arithmetic number, because the mean of its divisors is an integer number (2230620).
Almost surely, 212746380 is an apocalyptic number.
12746380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12746380 is an abundant number, since it is smaller than the sum of its proper divisors (14021060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12746380 is a wasteful number, since it uses less digits than its factorization.
12746380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 637328 (or 637326 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 12746380 is about 3570.2072768958. The cubic root of 12746380 is about 233.5943247433.
The spelling of 12746380 in words is "twelve million, seven hundred forty-six thousand, three hundred eighty".
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