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4978406220 = 22351929150587
BaseRepresentation
bin1001010001011110…
…00111001101001100
3110211221202020110120
410220233013031030
540143432444340
62142000304540
7234240516564
oct45057071514
913757666416
104978406220
1121251a9307
12b6b312150
1361453abc8
1435327dda4
151e20dd4d0
hex128bc734c

4978406220 has 96 divisors (see below), whose sum is σ = 15179270400. Its totient is φ = 1214325504.

The previous prime is 4978406197. The next prime is 4978406233. The reversal of 4978406220 is 226048794.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42234 + ... + 108353.

It is an arithmetic number, because the mean of its divisors is an integer number (158117400).

Almost surely, 24978406220 is an apocalyptic number.

It is an amenable number.

4978406220 is an abundant number, since it is smaller than the sum of its proper divisors (10200864180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4978406220 is a wasteful number, since it uses less digits than its factorization.

4978406220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150647 (or 150645 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 4978406220 is about 70557.8218201214. The cubic root of 4978406220 is about 1707.5107380921.

The spelling of 4978406220 in words is "four billion, nine hundred seventy-eight million, four hundred six thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 29 30 38 57 58 60 76 87 95 114 116 145 174 190 228 285 290 348 380 435 551 570 580 870 1102 1140 1653 1740 2204 2755 3306 5510 6612 8265 11020 16530 33060 150587 301174 451761 602348 752935 903522 1505870 1807044 2258805 2861153 3011740 4367023 4517610 5722306 8583459 8734046 9035220 11444612 13101069 14305765 17166918 17468092 21835115 26202138 28611530 34333836 42917295 43670230 52404276 57223060 65505345 82973437 85834590 87340460 131010690 165946874 171669180 248920311 262021380 331893748 414867185 497840622 829734370 995681244 1244601555 1659468740 2489203110 4978406220