1.46 g of a biopolymer dissolved in a 100 mL water at 300 K exerted an osmotic pressure of 2.42 $\times$ 10^$-$3 bar. The molar mass of the biopolymer is _____________ $\times$ 10⁴ g mol^$-$1. (Round off to the Nearest Integer) [Use : R = 0.083 L bar mol^$-$1 K^$-$1]