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230302205 = 573134287
BaseRepresentation
bin11011011101000…
…10000111111101
3121001100120020022
431232202013331
5432424132310
634504101525
75464352000
oct1556420775
9531316208
10230302205
11108aaa501
12651648a5
13389369c3
142282d537
1515342a55
hexdba21fd

230302205 has 16 divisors (see below), whose sum is σ = 322291200. Its totient is φ = 157920336.

The previous prime is 230302159. The next prime is 230302217. The reversal of 230302205 is 502203032.

It is not a de Polignac number, because 230302205 - 212 = 230298109 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65429 + ... + 68858.

It is an arithmetic number, because the mean of its divisors is an integer number (20143200).

Almost surely, 2230302205 is an apocalyptic number.

It is an amenable number.

230302205 is a deficient number, since it is larger than the sum of its proper divisors (91988995).

230302205 is an equidigital number, since it uses as much as digits as its factorization.

230302205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134313 (or 134299 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 230302205 is about 15175.7110212339. The cubic root of 230302205 is about 612.9607961040.

Adding to 230302205 its reverse (502203032), we get a palindrome (732505237).

The spelling of 230302205 in words is "two hundred thirty million, three hundred two thousand, two hundred five".

Divisors: 1 5 7 35 49 245 343 1715 134287 671435 940009 4700045 6580063 32900315 46060441 230302205