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199132230 = 23511603431
BaseRepresentation
bin10111101111010…
…00010001000110
3111212200222001210
423313220101012
5401434212410
631432032250
74635411303
oct1367502106
9455628053
10199132230
11a244aaa0
1256832686
133234232b
141c6380aa
1512737220
hexbde8446

199132230 has 32 divisors (see below), whose sum is σ = 521365248. Its totient is φ = 48274400.

The previous prime is 199132223. The next prime is 199132231. The reversal of 199132230 is 32231991.

It is a happy number.

199132230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199132231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301386 + ... + 302045.

It is an arithmetic number, because the mean of its divisors is an integer number (16292664).

Almost surely, 2199132230 is an apocalyptic number.

199132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199132230 is an abundant number, since it is smaller than the sum of its proper divisors (322233018).

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

199132230 is a wasteful number, since it uses less digits than its factorization.

199132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603452.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 199132230 is about 14111.4219694544. The cubic root of 199132230 is about 583.9565298068.

The spelling of 199132230 in words is "one hundred ninety-nine million, one hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 603431 1206862 1810293 3017155 3620586 6034310 6637741 9051465 13275482 18102930 19913223 33188705 39826446 66377410 99566115 199132230