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4839647540 = 2257135714657
BaseRepresentation
bin1001000000111011…
…10010100100110100
3110111021122120100012
410200131302210310
534402422210130
62120122235352
7230634216410
oct44035624464
913437576305
104839647540
112063944912
12b30955b58
135c1876890
1433ca7dd40
151d4d2e995
hex120772934

4839647540 has 96 divisors (see below), whose sum is σ = 12533224704. Its totient is φ = 1528657920.

The previous prime is 4839647539. The next prime is 4839647569. The reversal of 4839647540 is 457469384.

It is a super-2 number, since 2×48396475402 = 46844376622856103200, which contains 22 as substring.

It is a congruent number.

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, 1036892 + ... + 1041548.

It is an arithmetic number, because the mean of its divisors is an integer number (130554424).

Almost surely, 24839647540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4839647540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6266612352).

4839647540 is an abundant number, since it is smaller than the sum of its proper divisors (7693577164).

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

4839647540 is a wasteful number, since it uses less digits than its factorization.

4839647540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257 (or 5255 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The square root of 4839647540 is about 69567.5753494399. The cubic root of 4839647540 is about 1691.4970500530.

The spelling of 4839647540 in words is "four billion, eight hundred thirty-nine million, six hundred forty-seven thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 571 910 1142 1820 2284 2855 3997 4657 5710 7423 7994 9314 11420 14846 15988 18628 19985 23285 29692 32599 37115 39970 46570 51961 60541 65198 74230 79940 93140 103922 121082 130396 148460 162995 207844 242164 259805 302705 325990 423787 519610 605410 651980 847574 1039220 1210820 1695148 2118935 2659147 4237870 5318294 8475740 10636588 13295735 18614029 26591470 34568911 37228058 53182940 69137822 74456116 93070145 138275644 172844555 186140290 241982377 345689110 372280580 483964754 691378220 967929508 1209911885 2419823770 4839647540