Number of the day: 449211

Srinivasa Ramanujan was born on this day 131 years ago.

Properties of the number 449211:

449211 = 3 × 7 × 21391 is a sphenic number and squarefree.
449211 has 3 distinct prime factors, 8 divisors, 7 antidivisors and 256680 totatives.
449211 has a semiprime digit sum 21 in base 10.
449211 has a Fibonacci digit sum 21 in base 10.
449211 has a triangular digit sum 21 in base 10.
449211 = 224606² - 224605² = 74870² - 74867² = 32090² - 32083² = 10706² - 10685² is the difference of 2 nonnegative squares in 4 ways.
449211 is the difference of 2 positive pentagonal numbers in 2 ways.
449211 = 29² + 59² + 667² is the sum of 3 positive squares.
449211² is the sum of 3 positive squares.
449211 is a proper divisor of 241¹³⁸ - 1.
449211 = '449' + '211' is the concatenation of 2 prime numbers.
449211 is palindromic in (at least) base 84.