Alexander Grothendieck was born on this day 89 years ago.
Properties of the number 4990517757:
4990517757 = 33 × 184833991 is the 4755987537th composite number and is not squarefree.4990517757 has 2 distinct prime factors, 8 divisors, 43 antidivisors and 3327011820 totatives.
4990517757 = 24952588792 - 24952588782 = 8317529612 - 8317529582 = 2772509912 - 2772509822 = 924170092 - 924169822 is the difference of 2 nonnegative squares in 4 ways.
4990517757 is the sum of 2 positive triangular numbers.
4990517757 is the difference of 2 positive pentagonal numbers in 1 way.
4990517757 = 8772 + 19222 + 706122 is the sum of 3 positive squares.
49905177572 is the sum of 3 positive squares.
4990517757 is a divisor of 18711120206 - 1.