462

462 = 2 x 3 x 7 x 11.

Assuming the Generalized Riemann Hypothesis, 462 is the largest number that is not of the form ab + bc + ca, for positive integers a, b, and c.

462⁴⁶² + 462 + 1 is a prime number.

462² = 213,444 = (21 - 3 + 444)².

462 is 3322 in base 5; 462 is 2050 in base 6 and 250 in base 14; 462 is 110 in base 21.

Mathematician Zu Chongzhi introduced the Daming calendar in China in the year 462.

Source: Number Gossip