Which of the following is not the square of an integer? Choose the correct choice from the following answers
A) 275625
B) 385641
C) 426437
D) 532900
E) 318096
The square of an integer (n^2) can have only the following units digit:   0, if the units digit of n is 0;   1, if the units digit of n is 1 or 9;   4, if the units digit of n is 2 or 8.   5, if the units digit of n is 5;   6, if the units digit of n is 6 or 4;   9, if the units digit of n is 3 or 7.   The square of an integer cannot have the units digit of 2, 3, 7, or 8.   The answer is 426437.
<result>C</result>
Which of the following is not the square of an integer?