Base | Representation |
---|---|
bin | 11010100111100… |
… | …11010101000001 |
3 | 120120011112212020 |
4 | 31103303111001 |
5 | 424130413120 |
6 | 34053552053 |
7 | 5350655130 |
oct | 1523632501 |
9 | 516145766 |
10 | 223294785 |
11 | 10505374a |
12 | 62945629 |
13 | 373522bc |
14 | 21927917 |
15 | 1490b640 |
hex | d4f3541 |
223294785 has 16 divisors (see below), whose sum is σ = 408310656. Its totient is φ = 102077568.
The previous prime is 223294717. The next prime is 223294789. The reversal of 223294785 is 587492322.
223294785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 223294785 - 216 = 223229249 is a prime.
It is a super-2 number, since 2×2232947852 = 99721122016392450, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (223294789) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063204 + ... + 1063413.
It is an arithmetic number, because the mean of its divisors is an integer number (25519416).
Almost surely, 2223294785 is an apocalyptic number.
It is an amenable number.
223294785 is a deficient number, since it is larger than the sum of its proper divisors (185015871).
223294785 is a wasteful number, since it uses less digits than its factorization.
223294785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2126632.
The product of its digits is 241920, while the sum is 42.
The square root of 223294785 is about 14943.0513952138. The cubic root of 223294785 is about 606.6797886238.
The spelling of 223294785 in words is "two hundred twenty-three million, two hundred ninety-four thousand, seven hundred eighty-five".
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