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199069992 = 2332111913229
BaseRepresentation
bin10111101110110…
…01000100101000
3111212120210200200
423313121010220
5401430214432
631430432200
74635031662
oct1367310450
9455523620
10199069992
11a2408260
1256802660
133231cbc4
141c61d532
1512723a7c
hexbdd9128

199069992 has 96 divisors (see below), whose sum is σ = 619164000. Its totient is φ = 57144960.

The previous prime is 199069963. The next prime is 199069999. The reversal of 199069992 is 299960991.

It is a happy number.

199069992 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (199069999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8434 + ... + 21662.

It is an arithmetic number, because the mean of its divisors is an integer number (6449625).

Almost surely, 2199069992 is an apocalyptic number.

199069992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199069992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309582000).

199069992 is an abundant number, since it is smaller than the sum of its proper divisors (420094008).

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

199069992 is a wasteful number, since it uses less digits than its factorization.

199069992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13271 (or 13264 counting only the distinct ones).

The product of its (nonzero) digits is 708588, while the sum is 54.

The square root of 199069992 is about 14109.2165622334. The cubic root of 199069992 is about 583.8956856907.

The spelling of 199069992 in words is "one hundred ninety-nine million, sixty-nine thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 19 22 24 33 36 38 44 57 66 72 76 88 99 114 132 152 171 198 209 228 264 342 396 418 456 627 684 792 836 1254 1368 1672 1881 2508 3762 5016 7524 13229 15048 26458 39687 52916 79374 105832 119061 145519 158748 238122 251351 291038 317496 436557 476244 502702 582076 754053 873114 952488 1005404 1164152 1309671 1508106 1746228 2010808 2262159 2619342 2764861 3016212 3492456 4524318 5238684 5529722 6032424 8294583 9048636 10477368 11059444 16589166 18097272 22118888 24883749 33178332 49767498 66356664 99534996 199069992