75390

Appears in sequences

• Super-5 Numbers (5 * n^5 contains substring '55555' in its decimal expansion).at n=19A032745
• Numbers k having exactly 5 distinct prime factors, the largest of which is greater than or equal to sqrt(k) (i.e., sqrt(k)-rough numbers with exactly 5 distinct prime factors).at n=25A115959
• a(n) = n * Sum_{d|n} binomial(d+3,4)/d.at n=34A343545