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199028588 = 221117266081
BaseRepresentation
bin10111101110011…
…10111101101100
3111212111200220012
423313032331230
5401422403323
631425512352
74634500163
oct1367167554
9455450805
10199028588
11a238a140
12567a26b8
13323070c5
141c60c3da
1512716678
hexbdcef6c

199028588 has 24 divisors (see below), whose sum is σ = 402315984. Its totient is φ = 85145600.

The previous prime is 199028581. The next prime is 199028611. The reversal of 199028588 is 885820991.

It is a super-2 number, since 2×1990285882 = 79224757682547488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199028581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132293 + ... + 133788.

It is an arithmetic number, because the mean of its divisors is an integer number (16763166).

Almost surely, 2199028588 is an apocalyptic number.

It is an amenable number.

199028588 is an abundant number, since it is smaller than the sum of its proper divisors (203287396).

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

199028588 is a wasteful number, since it uses less digits than its factorization.

199028588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266113 (or 266111 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 50.

The square root of 199028588 is about 14107.7492180716. The cubic root of 199028588 is about 583.8552019510.

The spelling of 199028588 in words is "one hundred ninety-nine million, twenty-eight thousand, five hundred eighty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 266081 532162 1064324 2926891 4523377 5853782 9046754 11707564 18093508 49757147 99514294 199028588