Q: Is 231,578,650 an Odd Number?
A: No, the number 231,578,650 is not an odd number - it is an even number.
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. If you divide a number by 2 and there is a remainder left, the number is odd. If you divide by 2 and there is not a remainder left, then the number is even.
Let's try that calculation...
231,578,650 ÷ 2 = 115,789,325
Notice the answer is a whole number and doesn't have a remainder? That means the number is even, as it can cleanly be divided by 2, with no remaining remainder.
Any number that ends in 1, 3, 5, 7 or 9 is an odd number. This is because the number cannot be divided by 2 evenly.
Here are more examples of even and odd numbers in sequence:
| 231,578,648 | 231,578,649 | 231,578,651 | 231,578,652 |
| even | odd | odd | even |