Paul Erös was born on this day 104 years ago.
Properties of the number 806475:
806475 = 3 × 52 × 10753 is the 742039th composite number and is not squarefree.806475 has 3 distinct prime factors, 12 divisors, 19 antidivisors and 430080 totatives.
806475 has a sphenic digit sum 30 in base 10.
806475 has an oblong digit sum 30 in base 10.
806475 = 4032382 - 4032372 = 1344142 - 1344112 = 806502 - 806452 = 268902 - 268752 = 161422 - 161172 = 54142 - 53392 is the difference of 2 nonnegative squares in 6 ways.
806475 is the difference of 2 positive pentagonal numbers in 3 ways.
806475 = 12 + 952 + 8932 is the sum of 3 positive squares.
8064752 = 3226052 + 7391402 = 1854002 + 7848752 = 3977492 + 7015682 = 5166602 + 6192452 = 417812 + 8053922 = 4838852 + 6451802 = 2258132 + 7742162 is the sum of 2 positive squares in 7 ways.
8064752 is the sum of 3 positive squares.
806475 is a divisor of 149928 - 1.