490 = 2 x 5 x 72.
490 has a representation as a sum of two squares: 490 = 72 + 212.
490 is the number of integer partitions of 19.
490 is the sum of six positive fifth powers: 490 = 15 + 15 + 15 + 15 + 35 + 35.
The USS Leader (MSO 490) was a minesweeper launched in 1954.
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