Base | Representation |
---|---|
bin | 100000000001… |
… | …101111010000 |
3 | 120210112202220 |
4 | 200001233100 |
5 | 4122130403 |
6 | 455541040 |
7 | 131235225 |
oct | 40015720 |
9 | 16715686 |
10 | 8395728 |
11 | 4814920 |
12 | 298a780 |
13 | 197c5b3 |
14 | 118794c |
15 | b0c953 |
hex | 801bd0 |
8395728 has 40 divisors (see below), whose sum is σ = 23662176. Its totient is φ = 2544000.
The previous prime is 8395721. The next prime is 8395733. The reversal of 8395728 is 8275938.
8395728 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a d-powerful number, because it can be written as 8 + 33 + 94 + 5 + 7 + 223 + 83 .
It is a self number, because there is not a number n which added to its sum of digits gives 8395728.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8395721) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7423 + ... + 8478.
Almost surely, 28395728 is an apocalyptic number.
8395728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
8395728 is an abundant number, since it is smaller than the sum of its proper divisors (15266448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8395728 is a wasteful number, since it uses less digits than its factorization.
8395728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15923 (or 15917 counting only the distinct ones).
The product of its digits is 120960, while the sum is 42.
The square root of 8395728 is about 2897.5382654937. The cubic root of 8395728 is about 203.2448048429.
The spelling of 8395728 in words is "eight million, three hundred ninety-five thousand, seven hundred twenty-eight".
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