Base | Representation |
---|---|
bin | 11110111010011110010001 |
3 | 120020201100200 |
4 | 132322132101 |
5 | 4033310300 |
6 | 445405413 |
7 | 125611212 |
oct | 36723621 |
9 | 16221320 |
10 | 8103825 |
11 | 4635584 |
12 | 2869869 |
13 | 18a9782 |
14 | 110d409 |
15 | aa1200 |
hex | 7ba791 |
8103825 has 18 divisors (see below), whose sum is σ = 14515254. Its totient is φ = 4321920.
The previous prime is 8103817. The next prime is 8103841. The reversal of 8103825 is 5283018.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 535824 + 7568001 = 732^2 + 2751^2 .
It is not a de Polignac number, because 8103825 - 23 = 8103817 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17784 + ... + 18233.
It is an arithmetic number, because the mean of its divisors is an integer number (806403).
Almost surely, 28103825 is an apocalyptic number.
It is an amenable number.
8103825 is a deficient number, since it is larger than the sum of its proper divisors (6411429).
8103825 is a wasteful number, since it uses less digits than its factorization.
8103825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36033 (or 36025 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 8103825 is about 2846.7217988416. The cubic root of 8103825 is about 200.8614921615.
The spelling of 8103825 in words is "eight million, one hundred three thousand, eight hundred twenty-five".
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