50₁₀ = 32 + 16 + 2 = 2⁵ + 2⁴ + 2¹ = 110010₂
320₁₀ = 5 × 64 = 5 × 8² = 500₈
492₁₀ = 1 × 256 + 14 × 16 + 12 = 1 × 16² + 14 × 16¹ + 12 × 16⁰ = 1EC₁₆
Ответ: 110010₂, 500₈, 1EC₁₆