$ echo "56933" | md5sum
83e2a84f530af983fdfa33663573221d  -

java outputs
a517c0412873dc9c1f5b25c65603c1f4

	public static String byteArrayToHexString(byte[] input) {
        StringBuffer hexString = new StringBuffer();
        for (int i=0;i<input.length;i++) {
            String hex = Integer.toHexString(0xFF & input[i]);
            if (hex.length() == 1)
                hexString.append("0");
            hexString.append(hex);
        }
        return hexString.toString();
		
	}

	public static String digest(String input) {
        if (input == null)
            return null;
        byte[] defaultBytes = input.getBytes();
        try{
            MessageDigest algorithm = MessageDigest.getInstance("MD5");
            algorithm.reset();
            algorithm.update(defaultBytes);
            byte messageDigest[] = algorithm.digest();
            return byteArrayToHexString(messageDigest);
        } catch(NoSuchAlgorithmException nsae){
            return null;
        }
    }