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powerful n.  and  super Niven n.

First numbers that belong to both sets:

1, 4, 8, 9, 36, 100, 200, 400, 500, 800, 900, 1000, 1800, 2000, 3600, 4000, 4500, 5000, 5400, 8000, 9000, 10000, 10800, 14400, 18000, 20000, 28800, 36000, 40000, 40500, 45000, 50000, 54000, 80000, 81000, 90000, 100000, 108000, 135000, 144000, 180000, 200000, 220500, 288000, 360000, 400000, 405000, 441000, 450000, 500000, 540000, 800000, 810000, 882000, 900000, 1000000, 1040400, 1080000, 1323000, 1350000, 1411200, 1440000, 1800000, 2000000, 2080800, 2205000, 2646000, 2822400, 2880000, 3600000, 3969000, 4000000, 4050000, 4410000, 4500000, 5000000, 5400000, 8000000, 8100000, 8820000, 9000000, 10000000, 10404000, 10800000, 11025000, 11113200, 13005000, 13230000, 13500000, 14112000, 14400000, 18000000, 20000000, 20808000, 22050000, 22226400, 26460000, 28224000, 28800000, 33339600, 36000000, 39690000, 40000000, 40401000, 40500000, 44100000, 45000000, 50000000, 54000000, 80000000, 80802000, 81000000, 88200000, 90000000, 100000000, 100400400, 104040000, 108000000, 110250000, 111132000, 121010400, 130050000, 132300000, 135000000, 141120000, 144000000, 180000000, 200000000, 200800800, 208080000, 220500000, 222264000, 242020800, 264600000, 282240000, 288000000, 310005000, 333396000, 360000000, 396900000, 400000000, 404010000, 405000000, 441000000, 450000000, 500000000, 540000000, 800000000, 808020000, 810000000, 882000000, 900000000, 1000000000, 1004004000, 1040400000, 1080000000, 1102500000, 1111320000, 1210104000, 1300500000, 1323000000, 1350000000, 1411200000, 1440000000, 1800000000, 2000000000, 2008008000, 2080800000, 2205000000, 2222640000, 2420208000, 2646000000, 2822400000, 2880000000, 3100050000, 3333960000, 3600000000, 3969000000, 4000000000, 4004001000, 4040100000, 4050000000, 4410000000, 4500000000, 5000000000, 5400000000, 8000000000, 8008002000, 8080200000, 8100000000, 8820000000, 9000000000, 10000000000, 10004000400, 10040040000, 10404000000, 10800000000, 11025000000, 11113200000, 12101040000, 13005000000, 13230000000, 13500000000, 14112000000, 14400000000, 18000000000, 20000000000, 20008000800, 20080080000, 20808000000, 22050000000, 22226400000, 24202080000, 26460000000, 28224000000, 28800000000, 31000500000, 33339600000, 36000000000, 39690000000, 40000000000, 40040010000, 40401000000, 40500000000, 44100000000, 45000000000.