Parallel
Numbers 3:49
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ ἔλαβεν Μωυσῆς τὸ ἀργύριον τὰ λύτρα τῶν πλεοναζόντων εἰς τὴν ἐκλύτρωσιν τῶν Λευιτῶν
So Moses collected the redemption money from those in excess of the number redeemed by the Levites.