Search a number
frugal n.  and  super Niven n.

First numbers that belong to both sets:

10000, 20000, 40000, 50000, 80000, 100000, 120000, 140000, 150000, 200000, 240000, 280000, 300000, 400000, 480000, 500000, 600000, 700000, 800000, 1000000, 1040000, 1050000, 1080000, 1100000, 1200000, 1350000, 1400000, 1440000, 1500000, 1800000, 2000000, 2080000, 2100000, 2200000, 2400000, 2800000, 2880000, 3000000, 3600000, 4000000, 4050000, 4100000, 4200000, 4400000, 4500000, 4800000, 5000000, 5250000, 5400000, 5500000, 6000000, 7000000, 8000000, 8100000, 8200000, 8400000, 8800000, 9000000, 10000000, 10040000, 10050000, 10080000, 10100000, 10200000, 10206000, 10320000, 10400000, 10500000, 10800000, 11000000, 11040000, 11100000, 11340000, 11400000, 12000000, 12101040, 12300000, 12600000, 13200000, 13500000, 14000000, 14100000, 14400000, 15000000, 15120000, 17010000, 18000000, 20000000, 20080000, 20100000, 20160000, 20200000, 20400000, 20412000, 20640000, 20800000, 21000000, 21300000, 22000000, 22080000, 22200000, 22680000, 22800000, 24000000, 24202080, 24600000, 25200000, 26400000, 28000000, 28200000, 28800000, 30000000, 30240000, 31200000, 31500000, 33000000, 34020000, 36000000, 40000000, 40100000, 40200000, 40400000, 40500000, 40800000, 40824000, 41000000, 42000000, 42600000, 44000000, 44400000, 45000000, 48000000, 50000000, 50400000, 50500000, 51000000, 51030000, 52500000, 54000000, 55000000, 55500000, 60000000, 60480000, 62400000, 63000000, 66000000, 68040000, 70000000, 73500000, 77000000, 80000000, 80200000, 80400000, 80800000, 81000000, 82000000, 84000000, 88000000, 88800000, 90000000, 100000000, 100032000, 100040000, 100200000, 100400000, 100440000, 100500000, 100800000, 101000000, 101040000, 101100000, 101400000, 102000000, 102060000, 103200000, 103500000, 104000000, 104100000, 104400000, 105000000, 105300000, 108000000, 110000000, 110100000, 110250000, 110400000, 111000000, 111120000, 111132000, 111300000, 113400000, 114000000, 115500000, 120000000, 120300000, 121010400, 121200000, 123000000, 126000000, 130200000, 130500000, 132000000, 132300000, 135000000, 140000000, 140100000, 140400000, 141000000, 141120000, 144000000, 150000000, 151200000, 153000000, 170100000, 180000000, 200000000, 200080000, 200400000, 200800000, 200880000, 201000000, 201120000, 201600000, 202000000, 202080000, 202200000, 202800000, 203100000, 204000000, 204120000, 206400000, 208000000, 208200000, 208800000, 210000000, 210300000, 211200000, 213000000, 220000000, 220200000, 220500000, 220800000, 222000000, 222240000, 222264000, 222600000, 226800000, 228000000, 231000000, 240000000, 240600000, 242020800, 242400000, 246000000, 252000000, 260400000, 264000000, 264600000, 280000000, 280200000, 280800000, 282000000, 288000000, 300000000, 301200000, 301500000, 302400000, 303000000, 306000000, 309600000, 310500000, 312000000, 315000000, 321000000, 330000000, 333000000, 333396000, 340200000, 351000000, 357000000.

Some larger examples :