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200331243 = 32725712373
BaseRepresentation
bin10111111000011…
…00111111101011
3111221221212210200
423330030333223
5402241044433
631513443243
74651534050
oct1374147753
9457855720
10200331243
11a3099912
1257110523
1332671cc8
141c86b027
15128c2613
hexbf0cfeb

200331243 has 24 divisors (see below), whose sum is σ = 332019168. Its totient is φ = 114020352.

The previous prime is 200331239. The next prime is 200331277. The reversal of 200331243 is 342133002.

It is not a de Polignac number, because 200331243 - 22 = 200331239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200331203) 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 23 ways as a sum of consecutive naturals, for example, 10005 + ... + 22377.

It is an arithmetic number, because the mean of its divisors is an integer number (13834132).

Almost surely, 2200331243 is an apocalyptic number.

200331243 is a deficient number, since it is larger than the sum of its proper divisors (131687925).

200331243 is a wasteful number, since it uses less digits than its factorization.

200331243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12643 (or 12640 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 200331243 is about 14153.8419872486. The cubic root of 200331243 is about 585.1262230374.

Adding to 200331243 its reverse (342133002), we get a palindrome (542464245).

The spelling of 200331243 in words is "two hundred million, three hundred thirty-one thousand, two hundred forty-three".

Divisors: 1 3 7 9 21 63 257 771 1799 2313 5397 12373 16191 37119 86611 111357 259833 779499 3179861 9539583 22259027 28618749 66777081 200331243