Base | Representation |
---|---|
bin | 11111010010111101001001 |
3 | 120102210220202 |
4 | 133102331021 |
5 | 4100012410 |
6 | 451501545 |
7 | 126506450 |
oct | 37227511 |
9 | 16383822 |
10 | 8204105 |
11 | 46a3958 |
12 | 28b78b5 |
13 | 1913300 |
14 | 1137b97 |
15 | ac0ca5 |
hex | 7d2f49 |
8204105 has 48 divisors (see below), whose sum is σ = 13000320. Its totient is φ = 4852224.
The previous prime is 8204101. The next prime is 8204111. The reversal of 8204105 is 5014028.
It is not a de Polignac number, because 8204105 - 22 = 8204101 is a prime.
It is an Ulam number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (8204101) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112349 + ... + 112421.
It is an arithmetic number, because the mean of its divisors is an integer number (270840).
Almost surely, 28204105 is an apocalyptic number.
It is an amenable number.
8204105 is a deficient number, since it is larger than the sum of its proper divisors (4796215).
8204105 is a wasteful number, since it uses less digits than its factorization.
8204105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130 (or 117 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 8204105 is about 2864.2808870640. The cubic root of 8204105 is about 201.6866117225.
The spelling of 8204105 in words is "eight million, two hundred four thousand, one hundred five".
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