Class 51 participates in interest group activities. If there are no students left in a group of 3, 8 or 16, how many people are there at least in this class?
五一班参加兴趣小组活动，如果3人一组，8人一组或16人一组，都没有剩下的同学，这个班至少有多少人？
<gadget id="calculator">2 * 2 * 2 * 2 * 3</gadget>
<output>48</output>

<result>48</result>