How many 3 digits numbers are equal to the sum of their first digit plus their second digit squared plus the third cubed?
63311
$x^3 +y^2 +z =100z+10y+x$ What is the largest and smallest integer that satisfies this equation.
80228
How many numbers of 6 digits, that can be formed with digits 2,3,9. And also divided by 3?
6138
Combination of a 4-digit number
113331
Number of ways a natural number can be written as sum of smaller natural number
149481
Number theory counting sums of squares modulus
73570
Sum of (example: 0+1+2+3 = 6 , 0+1+2+3+4+5+6+7 = 28 and so on)
83910
Integer part of $\sqrt[3]{24+\sqrt[3]{24+\sqrt[3]{24+\cdots}}}$
135914
Evaluate the sum of cubes
56974
Determining the missing digits of $15! \equiv 1\square0767436\square000$ without actually calculating the factorial
134311
How to determine equation for $\sum_{k=1}^n k^3$
74471
Sum of numbers at vertex/face of cube
10744
Prove that a number is divisible by 3 iff the sum of its digits is divisible by 3
112644
The product of two numbers that can be written as the sum of two squares
60847
What three odd integers have a sum of 30?
2137
Find the number of ways to express 1050 as sum of consecutive integers
11359
Determine the Set of a Sum of Numbers
7302
$\sum k! = 1! +2! +3! + \cdots + n!$ ,is there a generic formula for this?