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230534263 = 1713560839
BaseRepresentation
bin11011011110110…
…10110001110111
3121001210100120001
431233122301313
5433004044023
634513052131
75466336361
oct1557326167
9531710501
10230534263
11109148893
1265257047
13389b850b
142288dd31
151538b6ad
hexdbdac77

230534263 has 4 divisors (see below), whose sum is σ = 244095120. Its totient is φ = 216973408.

The previous prime is 230534261. The next prime is 230534273. The reversal of 230534263 is 362435032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230534263 - 21 = 230534261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230534261) 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 3 ways as a sum of consecutive naturals, for example, 6780403 + ... + 6780436.

It is an arithmetic number, because the mean of its divisors is an integer number (61023780).

Almost surely, 2230534263 is an apocalyptic number.

230534263 is a deficient number, since it is larger than the sum of its proper divisors (13560857).

230534263 is a wasteful number, since it uses less digits than its factorization.

230534263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13560856.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 230534263 is about 15183.3548005703. The cubic root of 230534263 is about 613.1666049708.

Adding to 230534263 its reverse (362435032), we get a palindrome (592969295).

The spelling of 230534263 in words is "two hundred thirty million, five hundred thirty-four thousand, two hundred sixty-three".

Divisors: 1 17 13560839 230534263