Base | Representation |
---|---|
bin | 11010101010100… |
… | …00001101011001 |
3 | 120120212212201121 |
4 | 31111100031121 |
5 | 424230101400 |
6 | 34110045241 |
7 | 5354131234 |
oct | 1525201531 |
9 | 516785647 |
10 | 223675225 |
11 | 105293564 |
12 | 62aa9821 |
13 | 37456507 |
14 | 219c641b |
15 | 1498421a |
hex | d550359 |
223675225 has 6 divisors (see below), whose sum is σ = 277357310. Its totient is φ = 178940160.
The previous prime is 223675223. The next prime is 223675229. The reversal of 223675225 is 522576322.
It can be written as a sum of positive squares in 3 ways, for example, as 13454224 + 210221001 = 3668^2 + 14499^2 .
It is not a de Polignac number, because 223675225 - 21 = 223675223 is a prime.
It is not an unprimeable number, because it can be changed into a prime (223675223) 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 5 ways as a sum of consecutive naturals, for example, 4473480 + ... + 4473529.
Almost surely, 2223675225 is an apocalyptic number.
223675225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
223675225 is a deficient number, since it is larger than the sum of its proper divisors (53682085).
223675225 is an equidigital number, since it uses as much as digits as its factorization.
223675225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8947019 (or 8947014 counting only the distinct ones).
The product of its digits is 50400, while the sum is 34.
The square root of 223675225 is about 14955.7756402000. The cubic root of 223675225 is about 607.0241380661.
The spelling of 223675225 in words is "two hundred twenty-three million, six hundred seventy-five thousand, two hundred twenty-five".
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