Number of the day: 62045

Properties of the number 62045:

62045 = 5 × 12409 is semiprime and squarefree.
62045 has 2 distinct prime factors, 4 divisors, 23 antidivisors and 49632 totatives.
62045 has an emirp digit sum 17 in base 10.
62045 = 31023² - 31022² = 6207² - 6202² is the difference of 2 nonnegative squares in 2 ways.
62045 is the difference of 2 positive pentagonal numbers in 2 ways.
62045 = 98² + 229² = 59² + 242² is the sum of 2 positive squares in 2 ways.
62045 = 10² + 21² + 248² is the sum of 3 positive squares.
62045² = 28556² + 55083² = 10205² + 61200² = 42837² + 44884² = 37227² + 49636² is the sum of 2 positive squares in 4 ways.
62045² is the sum of 3 positive squares.
62045 is a divisor of 773⁸ - 1.
62045 = '6' + '2045' is the concatenation of 2 semiprime numbers.
62045 is an emirpimes in (at least) the following bases: 2, 5, 8, 11, 17, 22, 29, 30, 32, 33, 40, 42, 49, 59, 60, 65, 67, 73, 75, 82, and 93.
62045 is palindromic in (at least) base -69.

The number 62045 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequence (among others):

Sequence number and description below are taken from OEIS.
A027154: a(n) = Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A027144.