Find the smallest natural number that can be expressed exactly as the sum of 4 different not less than two consecutive non-zero natural numbers.
求最小的自然数，它恰好能表示成4种不同的不少于两个的连续非零自然数之和．
<gadget id="calculator">22 + 23</gadget>
<output>45</output>

<result>45</result>