题目

public class Main {
	static String s = "0123456789abcdef";
	//m 2 8 10 16
	public static int res(int n,int m) {
		StringBuffer sb = new StringBuffer();		
		while(n!=0) {
			sb.append(s.charAt(n%m));
			n/=m;
		}
		//转换为对应进制之后
		String s = sb.reverse().toString();
		char[] c = s.toCharArray();
		int num1 = n;
		int num2 = 0;
		int t = 0;
		for(int i=0;i<c.length;i++) {
			if(c[i]>='a'&&c[i]<='f') {
				num2+=c[i]-'a'+10;
			}else {
				t = Integer.parseInt(c[i]+"");
				num2+=t;
			}
		}
		return num2;
	}
	public static void main(String[] args) {
		int sum = 0;
		for(int i=1;;i++) {
			if(i%res(i,2) == 0&&i%res(i,8) == 0&&i%res(i,10) == 0&&i%res(i,16) == 0) {
				sum++;
			}
			if(sum == 2023) {
				System.out.println(i);
				return ;
			}
		}
	}
}