Hz = 327.63
N0 = 10_000_000 / (2*Hz)
print('Target N = ',N0)
A, B, C = 0, 0, 0
MinError = 9999
for a in range(1,17):
    for b in range(1,257):
        for c in [1, 4, 16]:
            N = a*b*c
            Error = abs(N - N0)
            if(Error < MinError):
                A = a
                B = b
                C = c
                MinError = Error
print('A = ',A)
print('B = ',B)
print('C = ',C
print('N = ',A*B*C)