Base | Representation |
---|---|
bin | 110000110111… |
… | …000010001100 |
3 | 220002201201200 |
4 | 300313002030 |
5 | 11234331312 |
6 | 1134305500 |
7 | 213604035 |
oct | 60670214 |
9 | 26081650 |
10 | 12808332 |
11 | 72590a9 |
12 | 4358290 |
13 | 2865bc4 |
14 | 19b5a8c |
15 | 11d00dc |
hex | c3708c |
12808332 has 72 divisors (see below), whose sum is σ = 34944000. Its totient is φ = 3944160.
The previous prime is 12808321. The next prime is 12808357. The reversal of 12808332 is 23380821.
It is a junction number, because it is equal to n+sod(n) for n = 12808296 and 12808305.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25419 + ... + 25917.
Almost surely, 212808332 is an apocalyptic number.
12808332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12808332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17472000).
12808332 is an abundant number, since it is smaller than the sum of its proper divisors (22135668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12808332 is a wasteful number, since it uses less digits than its factorization.
12808332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 563 (or 558 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 12808332 is about 3578.8730069674. The cubic root of 12808332 is about 233.9721641226.
The spelling of 12808332 in words is "twelve million, eight hundred eight thousand, three hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •