Number of the day: 412485

Pierre de Fermat was born on this day 416 years ago.

Properties of the number 412485:

412485 is a cyclic number.
412485 = 3 × 5 × 107 × 257 is the 377675^th composite number and is squarefree.
412485 has 4 distinct prime factors, 16 divisors, 23 antidivisors and 217088 totatives.
Reversing the decimal digits of 412485 results in a sphenic number.
412485 = 206243² - 206242² = 68749² - 68746² = 41251² - 41246² = 13757² - 13742² = 1981² - 1874² = 931² - 674² = 803² - 482² = 653² - 118² is the difference of 2 nonnegative squares in 8 ways.
412485 is the difference of 2 positive pentagonal numbers in 3 ways.
412485 = 20² + 71² + 638² is the sum of 3 positive squares.
412485² = 204477² + 358236² = 51360² + 409275² = 286653² + 296604² = 247491² + 329988² is the sum of 2 positive squares in 4 ways.
412485² is the sum of 3 positive squares.
412485 is a proper divisor of 643¹⁶ - 1.
412485 is palindromic in (at least) base -92.