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199341660 = 223571727919
BaseRepresentation
bin10111110000110…
…11011001011100
3111220002121100110
423320123121130
5402012413120
631440330020
74640243010
oct1370333134
9456077313
10199341660
11a2583381
1256913910
13323b675b
141c690540
15127792e0
hexbe1b65c

199341660 has 96 divisors (see below), whose sum is σ = 675440640. Its totient is φ = 42882048.

The previous prime is 199341647. The next prime is 199341661. The reversal of 199341660 is 66143991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199341661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6820 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (7035840).

Almost surely, 2199341660 is an apocalyptic number.

199341660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199341660 is an abundant number, since it is smaller than the sum of its proper divisors (476098980).

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

199341660 is a wasteful number, since it uses less digits than its factorization.

199341660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27955 (or 27953 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 199341660 is about 14118.8406039590. The cubic root of 199341660 is about 584.1611763490.

The spelling of 199341660 in words is "one hundred ninety-nine million, three hundred forty-one thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 7140 27919 55838 83757 111676 139595 167514 195433 279190 335028 390866 418785 474623 558380 586299 781732 837570 949246 977165 1172598 1423869 1675140 1898492 1954330 2345196 2373115 2847738 2931495 3322361 3908660 4746230 5695476 5862990 6644722 7119345 9492460 9967083 11725980 13289444 14238690 16611805 19934166 28477380 33223610 39868332 49835415 66447220 99670830 199341660