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2748438330 = 2351118894409
BaseRepresentation
bin1010001111010001…
…1101011100111010
321002112200010121020
42203310131130322
521112100011310
61132420323310
7125052224511
oct24364353472
97075603536
102748438330
111190470440
12648543536
1334a546091
141c1041678
15111452170
hexa3d1d73a

2748438330 has 64 divisors (see below), whose sum is σ = 7201353600. Its totient is φ = 665784320.

The previous prime is 2748438311. The next prime is 2748438377. The reversal of 2748438330 is 338348472.

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, 621166 + ... + 625574.

It is an arithmetic number, because the mean of its divisors is an integer number (112521150).

Almost surely, 22748438330 is an apocalyptic number.

2748438330 is an abundant number, since it is smaller than the sum of its proper divisors (4452915270).

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

2748438330 is a wasteful number, since it uses less digits than its factorization.

2748438330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319.

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 2748438330 is about 52425.5503547650. The cubic root of 2748438330 is about 1400.7544114280.

The spelling of 2748438330 in words is "two billion, seven hundred forty-eight million, four hundred thirty-eight thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 1889 3778 4409 5667 8818 9445 11334 13227 18890 20779 22045 26454 28335 41558 44090 48499 56670 62337 66135 96998 103895 124674 132270 145497 207790 242495 290994 311685 484990 623370 727485 1454970 8328601 16657202 24985803 41643005 49971606 83286010 91614611 124929015 183229222 249858030 274843833 458073055 549687666 916146110 1374219165 2748438330