Base | Representation |
---|---|
bin | 110000111010… |
… | …110100110100 |
3 | 220010112000210 |
4 | 300322310310 |
5 | 11240330420 |
6 | 1134505420 |
7 | 214000230 |
oct | 60726464 |
9 | 26115023 |
10 | 12823860 |
11 | 7269835 |
12 | 4365270 |
13 | 286ccaa |
14 | 19bb5c0 |
15 | 11d49e0 |
hex | c3ad34 |
12823860 has 96 divisors (see below), whose sum is σ = 43223040. Its totient is φ = 2775168.
The previous prime is 12823859. The next prime is 12823871. The reversal of 12823860 is 6832821.
12823860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7177 + ... + 8783.
It is an arithmetic number, because the mean of its divisors is an integer number (450240).
Almost surely, 212823860 is an apocalyptic number.
12823860 is a gapful number since it is divisible by the number (10) 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 12823860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21611520).
12823860 is an abundant number, since it is smaller than the sum of its proper divisors (30399180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12823860 is a wasteful number, since it uses less digits than its factorization.
12823860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1645 (or 1643 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 12823860 is about 3581.0417478717. The cubic root of 12823860 is about 234.0666768862.
The spelling of 12823860 in words is "twelve million, eight hundred twenty-three thousand, eight hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •