Base | Representation |
---|---|
bin | 11111101000000010010001 |
3 | 120121012100200 |
4 | 133220002101 |
5 | 4110243244 |
6 | 453405413 |
7 | 130316256 |
oct | 37500221 |
9 | 16535320 |
10 | 8290449 |
11 | 4752812 |
12 | 2939869 |
13 | 19436bb |
14 | 115b42d |
15 | adb669 |
hex | 7e8091 |
8290449 has 12 divisors (see below), whose sum is σ = 12172212. Its totient is φ = 5436000.
The previous prime is 8290427. The next prime is 8290453. The reversal of 8290449 is 9440928.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 589824 + 7700625 = 768^2 + 2775^2 .
It is not a de Polignac number, because 8290449 - 215 = 8257681 is a prime.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (8290409) 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, 7002 + ... + 8099.
It is an arithmetic number, because the mean of its divisors is an integer number (1014351).
Almost surely, 28290449 is an apocalyptic number.
It is an amenable number.
8290449 is a deficient number, since it is larger than the sum of its proper divisors (3881763).
8290449 is a wasteful number, since it uses less digits than its factorization.
8290449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15168 (or 15165 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 8290449 is about 2879.3139807947. The cubic root of 8290449 is about 202.3916933402.
The spelling of 8290449 in words is "eight million, two hundred ninety thousand, four hundred forty-nine".
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