86040

Appears in sequences

• Euler's totient of numbers containing in their decimal representation only the digits 0 and 1.at n=38A077811
• Amicable triples: numbers such that sigma(x) = sigma(y) = sigma(z) = x+y+z, x<y<z. We order these triples according to the common value of sigma. Sequence gives x numbers.at n=19A125490
• a(n) = 40*(200*n - 49).at n=10A157652