Value of KP for the equilibrium reaction $\mathrm{N}_2 \mathrm{O}_4(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NO}_{2(\mathrm{~g})}$ at 288 K is 47.9. The $\mathrm{K}_{\mathrm{C}}$ for this reaction at same temperature is _______.
(Nearest integer)
$\left(\mathrm{R}=0.083 \mathrm{~L} \mathrm{bar} \mathrm{K}^{-1} \mathrm{~mol}^{-1}\right)$