Base | Representation |
---|---|
bin | 11110101100100110110001 |
3 | 120010211102222 |
4 | 132230212301 |
5 | 4030001100 |
6 | 444250425 |
7 | 125253500 |
oct | 36544661 |
9 | 16124388 |
10 | 8047025 |
11 | 45a6938 |
12 | 2840a15 |
13 | 188996c |
14 | 10d6837 |
15 | a8e485 |
hex | 7ac9b1 |
8047025 has 18 divisors (see below), whose sum is σ = 11609190. Its totient is φ = 5517120.
The previous prime is 8047003. The next prime is 8047027. The reversal of 8047025 is 5207408.
8047025 = 3812 + 3822 + ... + 4292.
It can be written as a sum of positive squares in 3 ways, for example, as 1731856 + 6315169 = 1316^2 + 2513^2 .
It is not a de Polignac number, because 8047025 - 28 = 8046769 is a prime.
It is a super-2 number, since 2×80470252 = 129509222701250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 8046985 and 8047003.
It is not an unprimeable number, because it can be changed into a prime (8047027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2060 + ... + 4509.
It is an arithmetic number, because the mean of its divisors is an integer number (644955).
Almost surely, 28047025 is an apocalyptic number.
It is an amenable number.
8047025 is a deficient number, since it is larger than the sum of its proper divisors (3562165).
8047025 is a wasteful number, since it uses less digits than its factorization.
8047025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6593 (or 6581 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 8047025 is about 2836.7278685133. The cubic root of 8047025 is about 200.3911096676.
The spelling of 8047025 in words is "eight million, forty-seven thousand, twenty-five".
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