Base | Representation |
---|---|
bin | 11110101100001010111101 |
3 | 120010202000001 |
4 | 132230022331 |
5 | 4024421440 |
6 | 444234301 |
7 | 125245345 |
oct | 36541275 |
9 | 16122001 |
10 | 8045245 |
11 | 45a556a |
12 | 283b991 |
13 | 1888c00 |
14 | 10d5d25 |
15 | a8db9a |
hex | 7ac2bd |
8045245 has 12 divisors (see below), whose sum is σ = 10455156. Its totient is φ = 5940480.
The previous prime is 8045221. The next prime is 8045249. The reversal of 8045245 is 5425408.
It can be written as a sum of positive squares in 6 ways, for example, as 1790244 + 6255001 = 1338^2 + 2501^2 .
It is not a de Polignac number, because 8045245 - 27 = 8045117 is a prime.
It is a super-2 number, since 2×80452452 = 129451934220050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8045249) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3916 + ... + 5605.
It is an arithmetic number, because the mean of its divisors is an integer number (871263).
Almost surely, 28045245 is an apocalyptic number.
It is an amenable number.
8045245 is a deficient number, since it is larger than the sum of its proper divisors (2409911).
8045245 is a wasteful number, since it uses less digits than its factorization.
8045245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9552 (or 9539 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 28.
The square root of 8045245 is about 2836.4141093994. The cubic root of 8045245 is about 200.3763330895.
The spelling of 8045245 in words is "eight million, forty-five thousand, two hundred forty-five".
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