Number of the day: 99107

Properties of the number 99107:

99107 = 23 × 31 × 139 is a sphenic number and squarefree.
99107 has 3 distinct prime factors, 8 divisors, 15 antidivisors and 91080 totatives.
99107 has an emirpimes digit sum 26 in base 10.
Reversing the decimal digits of 99107 results in a prime.
99107 = 27³ + 32³ + 36³ is the sum of 3 positive cubes in 1 way.
99107 = 49554² - 49553² = 2166² - 2143² = 1614² - 1583² = 426² - 287² is the difference of 2 nonnegative squares in 4 ways.
99107 is the difference of 2 positive pentagonal numbers in 3 ways.
99107 = 7² + 33² + 313² is the sum of 3 positive squares.
99107² is the sum of 3 positive squares.
99107 is a proper divisor of 277¹⁰ - 1.
99107 = '9' + '9107' is the concatenation of 2 semiprime numbers.
99107 is palindromic in (at least) base -87.