Number of the day: 812762

Properties of the number 812762:

812762 = 2 × 406381 is semiprime and squarefree.
812762 has 2 distinct prime factors, 4 divisors, 29 antidivisors and 406380 totatives.
812762 has an emirpimes digit sum 26 in base 10.
Reversing the decimal digits of 812762 results in a sphenic number.
812762 = 31² + 901² is the sum of 2 positive squares in 1 way.
812762 = 31² + 60² + 899² is the sum of 3 positive squares.
812762² = 55862² + 810840² is the sum of 2 positive squares in 1 way.
812762² is the sum of 3 positive squares.
812762 is a proper divisor of 367³⁹⁰ - 1.
812762 is an emirpimes in (at least) the following bases: 5, 15, 25, 28, 36, 37, 44, 48, 52, 64, 66, 67, 68, 75, 76, 79, 81, 82, 88, 89, 94, 97, and 99.
812762 in base 5 = 202002022 and consists of only the digits '0' and '2'.

The number 812762 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequence (among others):

Sequence number and description below are taken from OEIS.
A031646: Numbers n such that continued fraction for sqrt(n) has odd period and central terms 58.