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199211433 = 3116357097
BaseRepresentation
bin10111101111110…
…11100110101001
3111212211222201020
423313323212221
5401444231213
631433443053
74636161231
oct1367734651
9455758636
10199211433
11a24a4553
1256870489
133236c3b5
141c658cc1
1512750923
hexbdfb9a9

199211433 has 8 divisors (see below), whose sum is σ = 265848288. Its totient is φ = 132691104.

The previous prime is 199211413. The next prime is 199211437. The reversal of 199211433 is 334112991.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199211433 - 25 = 199211401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199211394 and 199211403.

It is not an unprimeable number, because it can be changed into a prime (199211437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25060 + ... + 32037.

It is an arithmetic number, because the mean of its divisors is an integer number (33231036).

Almost surely, 2199211433 is an apocalyptic number.

It is an amenable number.

199211433 is a deficient number, since it is larger than the sum of its proper divisors (66636855).

199211433 is a wasteful number, since it uses less digits than its factorization.

199211433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58263.

The product of its digits is 5832, while the sum is 33.

The square root of 199211433 is about 14114.2280341505. The cubic root of 199211433 is about 584.0339406449.

The spelling of 199211433 in words is "one hundred ninety-nine million, two hundred eleven thousand, four hundred thirty-three".

Divisors: 1 3 1163 3489 57097 171291 66403811 199211433