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233824231 is a prime number
BaseRepresentation
bin11011110111111…
…01111111100111
3121021222111112201
431323331333213
5434324333411
635111355331
75536321204
oct1573757747
9537874481
10233824231
1110aa95673
1266382b47
133959ab44
14230a8cab
15157db3c1
hexdefdfe7

233824231 has 2 divisors, whose sum is σ = 233824232. Its totient is φ = 233824230.

The previous prime is 233824177. The next prime is 233824237. The reversal of 233824231 is 132428332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 233824231 - 213 = 233816039 is a prime.

It is a super-2 number, since 2×2338242312 = 109347542005482722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233824231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233824237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116912115 + 116912116.

It is an arithmetic number, because the mean of its divisors is an integer number (116912116).

Almost surely, 2233824231 is an apocalyptic number.

233824231 is a deficient number, since it is larger than the sum of its proper divisors (1).

233824231 is an equidigital number, since it uses as much as digits as its factorization.

233824231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

The square root of 233824231 is about 15291.3122720060. The cubic root of 233824231 is about 616.0696839915.

It can be divided in two parts, 2338 and 24231, that added together give a square (26569 = 1632).

The spelling of 233824231 in words is "two hundred thirty-three million, eight hundred twenty-four thousand, two hundred thirty-one".