Number of the day: 230424

Properties of the number 230424:

230424 = 2³ × 3 × 9601 is the 209947^th composite number and is not squarefree.
230424 has 3 distinct prime factors, 16 divisors, 11 antidivisors and 76800 totatives.
230424 has an emirpimes digit sum 15 in base 10.
230424 has a triangular digit sum 15 in base 10.
230424 = 57607² - 57605² = 28805² - 28801² = 19205² - 19199² = 9607² - 9595² is the difference of 2 nonnegative squares in 4 ways.
230424 = 68² + 70² + 470² is the sum of 3 positive squares.
230424² = 109440² + 202776² is the sum of 2 positive squares in 1 way.
230424² is the sum of 3 positive squares.
230424 is a proper divisor of 251¹² - 1.
230424 is palindromic in (at least) base -100.

The number 230424 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequences (among others):

Sequence numbers and descriptions below are taken from OEIS.
A031718: Least term in period of continued fraction for sqrt(n) is 40.
A158637: 576n^2 + 24.