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199983712 = 2523437189
BaseRepresentation
bin10111110101110…
…00001001100000
3111221022020002011
423322320021200
5402143434322
631502202304
74645555615
oct1372701140
9457266064
10199983712
11a29817a5
1256b83394
133257ca76
141c7ba50c
1512854677
hexbeb8260

199983712 has 96 divisors (see below), whose sum is σ = 431101440. Its totient is φ = 91069440.

The previous prime is 199983709. The next prime is 199983727. The reversal of 199983712 is 217389991.

199983712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2246964 + ... + 2247052.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2199983712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199983712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215550720).

199983712 is an abundant number, since it is smaller than the sum of its proper divisors (231117728).

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

199983712 is a wasteful number, since it uses less digits than its factorization.

199983712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 228 counting only the distinct ones).

The product of its digits is 244944, while the sum is 49.

The square root of 199983712 is about 14141.5597442432. The cubic root of 199983712 is about 584.7876717446.

The spelling of 199983712 in words is "one hundred ninety-nine million, nine hundred eighty-three thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 23 32 43 46 71 86 89 92 142 172 178 184 284 344 356 368 568 688 712 736 989 1136 1376 1424 1633 1978 2047 2272 2848 3053 3266 3827 3956 4094 6106 6319 6532 7654 7912 8188 12212 12638 13064 15308 15824 16376 24424 25276 26128 30616 31648 32752 48848 50552 52256 61232 65504 70219 88021 97696 101104 122464 140438 145337 176042 202208 271717 280876 290674 352084 543434 561752 581348 704168 1086868 1123504 1162696 1408336 2173736 2247008 2325392 2816672 4347472 4650784 6249491 8694944 12498982 24997964 49995928 99991856 199983712