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204300231 = 368100077
BaseRepresentation
bin11000010110101…
…01111111000111
3112020102112020020
430023111333013
5404300101411
632134510223
75030344332
oct1413257707
9466375206
10204300231
11a535a873
1258505373
1333431715
141d1c1619
1512e08606
hexc2d5fc7

204300231 has 4 divisors (see below), whose sum is σ = 272400312. Its totient is φ = 136200152.

The previous prime is 204300221. The next prime is 204300259. The reversal of 204300231 is 132003402.

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 204300231 - 227 = 70082503 is a prime.

It is a super-2 number, since 2×2043002312 = 83477168773306722, 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 204300231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204300221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34050036 + ... + 34050041.

It is an arithmetic number, because the mean of its divisors is an integer number (68100078).

Almost surely, 2204300231 is an apocalyptic number.

204300231 is a deficient number, since it is larger than the sum of its proper divisors (68100081).

204300231 is an equidigital number, since it uses as much as digits as its factorization.

204300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68100080.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 204300231 is about 14293.3631801616. The cubic root of 204300231 is about 588.9651792556.

Adding to 204300231 its reverse (132003402), we get a palindrome (336303633).

The spelling of 204300231 in words is "two hundred four million, three hundred thousand, two hundred thirty-one".

Divisors: 1 3 68100077 204300231