Number of the day: 353280

Properties of the number 353280:

353280 = 2¹⁰ × 3 × 5 × 23 is the 323045^th composite number and is not squarefree.
353280 has 4 distinct prime factors, 88 divisors, 9 antidivisors and 90112 totatives.
353280 has a semiprime digit sum 21 in base 10.
353280 has a Fibonacci digit sum 21 in base 10.
353280 has a triangular digit sum 21 in base 10.
353280 is the difference of 2 nonnegative squares in 36 ways.
353280 is the difference of 2 positive pentagonal numbers in 2 ways.
353280 = 160² + 256² + 512² is the sum of 3 positive squares.
353280² = 211968² + 282624² is the sum of 2 positive squares in 1 way.
353280² is the sum of 3 positive squares.
353280 is a proper divisor of 1151⁸ - 1.
353280 in base 29 = ee22 and consists of only the digits '2' and 'e'.

The number 353280 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequence (among others):

Sequence number and description below are taken from OEIS.
A086535: Product of numbers obtained by adding one to the odd divisors of n and subtracting 1 from the even divisors.