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200443243 = 711131711779
BaseRepresentation
bin10111111001010…
…00010101101011
3111222011120102211
423330220111223
5402303140433
631520105551
74652511430
oct1374502553
9458146384
10200443243
11a3165a80
12571652b7
13326b0c90
141c899b87
15128e58cd
hexbf2856b

200443243 has 32 divisors (see below), whose sum is σ = 284981760. Its totient is φ = 135682560.

The previous prime is 200443223. The next prime is 200443259. The reversal of 200443243 is 342344002.

It is not a de Polignac number, because 200443243 - 213 = 200435051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200443213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11128 + ... + 22906.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2200443243 is an apocalyptic number.

200443243 is a deficient number, since it is larger than the sum of its proper divisors (84538517).

200443243 is a wasteful number, since it uses less digits than its factorization.

200443243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11827.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 200443243 is about 14157.7979573096. The cubic root of 200443243 is about 585.2352456857.

Adding to 200443243 its reverse (342344002), we get a palindrome (542787245).

The spelling of 200443243 in words is "two hundred million, four hundred forty-three thousand, two hundred forty-three".

Divisors: 1 7 11 13 17 77 91 119 143 187 221 1001 1309 1547 2431 11779 17017 82453 129569 153127 200243 906983 1071889 1401701 1684397 2202673 2603159 11790779 15418711 18222113 28634749 200443243