Number of the day: 6450399

Properties of the number 6450399:

6450399 = 3² × 163 × 4397 is the 6008804^th composite number and is not squarefree.
6450399 has 3 distinct prime factors, 12 divisors, 19 antidivisors and 4272912 totatives.
6450399 has a triangular digit sum 36 in base 10.
6450399 = 3225200² - 3225199² = 1075068² - 1075065² = 358360² - 358351² = 19868² - 19705² = 6840² - 6351² = 2932² - 1465² is the difference of 2 nonnegative squares in 6 ways.
6450399 is the difference of 2 positive pentagonal numbers in 1 way.
6450399 is not the sum of 3 positive squares.
6450399² = 4467015² + 4653324² is the sum of 2 positive squares in 1 way.
6450399² is the sum of 3 positive squares.
6450399 is a proper divisor of 1933¹⁴¹³ - 1.