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2038741640 = 2351321911579
BaseRepresentation
bin111100110000100…
…1011101010001000
312021002020210202122
41321201023222020
513133404213030
6534145150412
7101344006115
oct17141135210
95232223678
102038741640
119568a8851
1248a92b408
132664c0200
14154aa190c
15bdeb68e5
hex7984ba88

2038741640 has 96 divisors (see below), whose sum is σ = 4996339200. Its totient is φ = 748350720.

The previous prime is 2038741631. The next prime is 2038741651. The reversal of 2038741640 is 461478302.

It is a self number, because there is not a number n which added to its sum of digits gives 2038741640.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1290371 + ... + 1291949.

It is an arithmetic number, because the mean of its divisors is an integer number (52045200).

Almost surely, 22038741640 is an apocalyptic number.

2038741640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2038741640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498169600).

2038741640 is an abundant number, since it is smaller than the sum of its proper divisors (2957597560).

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

2038741640 is a wasteful number, since it uses less digits than its factorization.

2038741640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2038741640 is about 45152.4267343406. The cubic root of 2038741640 is about 1268.0043138903.

The spelling of 2038741640 in words is "two billion, thirty-eight million, seven hundred forty-one thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 169 191 260 338 382 520 676 764 845 955 1352 1528 1579 1690 1910 2483 3158 3380 3820 4966 6316 6760 7640 7895 9932 12415 12632 15790 19864 20527 24830 31580 32279 41054 49660 63160 64558 82108 99320 102635 129116 161395 164216 205270 258232 266851 301589 322790 410540 533702 603178 645580 821080 1067404 1206356 1291160 1334255 1507945 2134808 2412712 2668510 3015890 3920657 5337020 6031780 7841314 10674040 12063560 15682628 19603285 31365256 39206570 50968541 78413140 101937082 156826280 203874164 254842705 407748328 509685410 1019370820 2038741640