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199069160 = 23520992371
BaseRepresentation
bin10111101110110…
…00110111101000
3111212120202112212
423313120313220
5401430203120
631430424252
74635026363
oct1367306750
9455522485
10199069160
11a2407674
1256802088
133231c704
141c61d0da
15127236c5
hexbdd8de8

199069160 has 32 divisors (see below), whose sum is σ = 448308000. Its totient is φ = 79556160.

The previous prime is 199069153. The next prime is 199069217. The reversal of 199069160 is 61960991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82775 + ... + 85145.

It is an arithmetic number, because the mean of its divisors is an integer number (14009625).

Almost surely, 2199069160 is an apocalyptic number.

199069160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199069160 is an abundant number, since it is smaller than the sum of its proper divisors (249238840).

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

199069160 is a wasteful number, since it uses less digits than its factorization.

199069160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481 (or 4477 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 199069160 is about 14109.1870779290. The cubic root of 199069160 is about 583.8948722383.

The spelling of 199069160 in words is "one hundred ninety-nine million, sixty-nine thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2099 2371 4198 4742 8396 9484 10495 11855 16792 18968 20990 23710 41980 47420 83960 94840 4976729 9953458 19906916 24883645 39813832 49767290 99534580 199069160