Base | Representation |
---|---|
bin | 11111100001111000011000 |
3 | 120112220210000 |
4 | 133201320120 |
5 | 4103441430 |
6 | 453053000 |
7 | 130152624 |
oct | 37417030 |
9 | 16486700 |
10 | 8265240 |
11 | 4735885 |
12 | 2927160 |
13 | 1935099 |
14 | 1152184 |
15 | ad3e60 |
hex | 7e1e18 |
8265240 has 80 divisors (see below), whose sum is σ = 27791280. Its totient is φ = 2203200.
The previous prime is 8265239. The next prime is 8265259. The reversal of 8265240 is 425628.
8265240 is a `hidden beast` number, since 8 + 2 + 652 + 4 + 0 = 666.
8265240 is digitally balanced in base 4, 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 (27).
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1965 + ... + 4515.
It is an arithmetic number, because the mean of its divisors is an integer number (347391).
Almost surely, 28265240 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 8265240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13895640).
8265240 is an abundant number, since it is smaller than the sum of its proper divisors (19526040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8265240 is a wasteful number, since it uses less digits than its factorization.
8265240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2574 (or 2561 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 8265240 is about 2874.9330426986. The cubic root of 8265240 is about 202.1863457042.
The spelling of 8265240 in words is "eight million, two hundred sixty-five thousand, two hundred forty".
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