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4728076920 = 233457208469
BaseRepresentation
bin1000110011101000…
…01011101001111000
3110012111201012020000
410121310023221320
534140341430140
62101055033000
7225110663550
oct43164135170
913174635200
104728076920
112006970196
12abb50b760
135a4711668
1432bd1a160
151ca141a30
hex119d0ba78

4728076920 has 160 divisors (see below), whose sum is σ = 18161906400. Its totient is φ = 1080698112.

The previous prime is 4728076861. The next prime is 4728076933. The reversal of 4728076920 is 296708274.

It is a super-2 number, since 2×47280769202 = 44709422722873372800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 81555 + ... + 126914.

It is an arithmetic number, because the mean of its divisors is an integer number (113511915).

Almost surely, 24728076920 is an apocalyptic number.

4728076920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4728076920 is an abundant number, since it is smaller than the sum of its proper divisors (13433829480).

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

4728076920 is a wasteful number, since it uses less digits than its factorization.

4728076920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208499 (or 208486 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 4728076920 is about 68761.0130815421. The cubic root of 4728076920 is about 1678.3975792048.

The spelling of 4728076920 in words is "four billion, seven hundred twenty-eight million, seventy-six thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 81 84 90 105 108 120 126 135 140 162 168 180 189 210 216 252 270 280 315 324 360 378 405 420 504 540 567 630 648 756 810 840 945 1080 1134 1260 1512 1620 1890 2268 2520 2835 3240 3780 4536 5670 7560 11340 22680 208469 416938 625407 833876 1042345 1250814 1459283 1667752 1876221 2084690 2501628 2918566 3127035 3752442 4169380 4377849 5003256 5628663 5837132 6254070 7296415 7504884 8338760 8755698 9381105 11257326 11674264 12508140 13133547 14592830 15009768 16885989 17511396 18762210 21889245 22514652 25016280 26267094 28143315 29185660 33771978 35022792 37524420 39400641 43778490 45029304 52534188 56286630 58371320 65667735 67543956 75048840 78801282 84429945 87556980 105068376 112573260 118201923 131335470 135087912 157602564 168859890 175113960 197003205 225146520 236403846 262670940 315205128 337719780 394006410 472807692 525341880 591009615 675439560 788012820 945615384 1182019230 1576025640 2364038460 4728076920