23040000

Appears in sequences

• Square such that the next three squares also having a square digit sum.at n=27A068834
• Terminal point of a repeated reduction of usigma starting at 2^n.at n=30A146891
• a(n) = lcm(sigma(n), pod(n)) where sigma(k) = the sum of divisors of k (A000203) and pod(n) = the product of divisors of k (A007955).at n=39A324529
• a(n) = lcm(tau(n), sigma(n), pod(n)) where tau(k) is the number of divisors of k (A000005), sigma(k) is the sum of divisors of k (A000203) and pod(k) is the product of divisors of k (A007955).at n=39A336723