Base | Representation |
---|---|
bin | 110000110111… |
… | …000010111010 |
3 | 220002201210101 |
4 | 300313002322 |
5 | 11234332003 |
6 | 1134310014 |
7 | 213604132 |
oct | 60670272 |
9 | 26081711 |
10 | 12808378 |
11 | 7259140 |
12 | 435830a |
13 | 2865c2b |
14 | 19b5ac2 |
15 | 11d011d |
hex | c370ba |
12808378 has 32 divisors (see below), whose sum is σ = 23172480. Its totient is φ = 5237760.
The previous prime is 12808373. The next prime is 12808379. The reversal of 12808378 is 87380821.
12808378 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 (12808373) 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, 7858 + ... + 9346.
It is an arithmetic number, because the mean of its divisors is an integer number (724140).
Almost surely, 212808378 is an apocalyptic number.
12808378 is a deficient number, since it is larger than the sum of its proper divisors (10364102).
12808378 is a wasteful number, since it uses less digits than its factorization.
12808378 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1542.
The product of its (nonzero) digits is 21504, while the sum is 37.
The square root of 12808378 is about 3578.8794335658. The cubic root of 12808378 is about 233.9724442191.
The spelling of 12808378 in words is "twelve million, eight hundred eight thousand, three hundred seventy-eight".
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