Norbert Wiener was born on this day 123 years ago.
Properties of the number 36440:
36440 = 23 × 5 × 911 is the 32577th composite number and is not squarefree.36440 has 3 distinct prime factors, 16 divisors, 11 antidivisors and 14560 totatives.
36440 has an emirp digit sum 17 in base 10.
36440 = 402 + … + 552 is the sum of at least 2 consecutive positive squares in 1 way.
36440 = 91112 - 91092 = 45572 - 45532 = 18272 - 18172 = 9212 - 9012 is the difference of 2 nonnegative squares in 4 ways.
36440 is the difference of 2 positive pentagonal numbers in 2 ways.
36440 = 202 + 382 + 1862 is the sum of 3 positive squares.
364402 = 218642 + 291522 is the sum of 2 positive squares in 1 way.
364402 is the sum of 3 positive squares.
36440 is a proper divisor of 18234 - 1.
36440 is palindromic in (at least) the following bases: 43, 66, -69, and -72.
36440 in base 3 = 1211222122 and consists of only the digits '1' and '2'.
36440 in base 19 = 55hh and consists of only the digits '5' and 'h'.
36440 in base 43 = JUJ and consists of only the digits 'J' and 'U'.