Base | Representation |
---|---|
bin | 11001111110010101010000 |
3 | 110210221001221 |
4 | 121332111100 |
5 | 3220341122 |
6 | 401534424 |
7 | 111606025 |
oct | 31762520 |
9 | 13727057 |
10 | 6808912 |
11 | 3930700 |
12 | 2344414 |
13 | 1545256 |
14 | c9354c |
15 | 8e76c7 |
hex | 67e550 |
6808912 has 30 divisors (see below), whose sum is σ = 14504714. Its totient is φ = 3094080.
The previous prime is 6808909. The next prime is 6808913. The reversal of 6808912 is 2198086.
It can be written as a sum of positive squares in only one way, i.e., 6739216 + 69696 = 2596^2 + 264^2 .
It is a super-2 number, since 2×68089122 = 92722565247488, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6808913) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178 + ... + 3694.
Almost surely, 26808912 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 6808912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7252357).
6808912 is an abundant number, since it is smaller than the sum of its proper divisors (7695802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6808912 is a wasteful number, since it uses less digits than its factorization.
6808912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3547 (or 3530 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 34.
The square root of 6808912 is about 2609.3892005602. The cubic root of 6808912 is about 189.5363765469.
The spelling of 6808912 in words is "six million, eight hundred eight thousand, nine hundred twelve".
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