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2750688420 = 223557797933
BaseRepresentation
bin1010001111110100…
…0010110010100100
321002200220110010220
42203331002302210
521113134012140
61132540444340
7125110315524
oct24375026244
97080813126
102750688420
111191767a17
126492496b0
1334ab532ac
141c1469684
15111748bd0
hexa3f42ca4

2750688420 has 48 divisors (see below), whose sum is σ = 7704231360. Its totient is φ = 733297536.

The previous prime is 2750688403. The next prime is 2750688443. The reversal of 2750688420 is 248860572.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342774 + ... + 350706.

It is an arithmetic number, because the mean of its divisors is an integer number (160504820).

Almost surely, 22750688420 is an apocalyptic number.

2750688420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750688420 is an abundant number, since it is smaller than the sum of its proper divisors (4953542940).

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

2750688420 is a wasteful number, since it uses less digits than its factorization.

2750688420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724 (or 13722 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 2750688420 is about 52447.0058249277. The cubic root of 2750688420 is about 1401.1365634474.

The spelling of 2750688420 in words is "two billion, seven hundred fifty million, six hundred eighty-eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5779 7933 11558 15866 17337 23116 23799 28895 31732 34674 39665 47598 57790 69348 79330 86685 95196 115580 118995 158660 173370 237990 346740 475980 45844807 91689614 137534421 183379228 229224035 275068842 458448070 550137684 687672105 916896140 1375344210 2750688420