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230330243 = 11131610701
BaseRepresentation
bin11011011101010…
…00111110000011
3121001101222200202
431232220332003
5432431031433
634504435415
75464526513
oct1556507603
9531358622
10230330243
11109019580
1265178b6b
13389466b0
1422839843
151534aee8
hexdba8f83

230330243 has 8 divisors (see below), whose sum is σ = 270597936. Its totient is φ = 193284000.

The previous prime is 230330237. The next prime is 230330299. The reversal of 230330243 is 342033032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230330243 - 210 = 230329219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230330203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805208 + ... + 805493.

It is an arithmetic number, because the mean of its divisors is an integer number (33824742).

Almost surely, 2230330243 is an apocalyptic number.

230330243 is a deficient number, since it is larger than the sum of its proper divisors (40267693).

230330243 is a wasteful number, since it uses less digits than its factorization.

230330243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610725.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 230330243 is about 15176.6347719117. The cubic root of 230330243 is about 612.9856699394.

Adding to 230330243 its reverse (342033032), we get a palindrome (572363275).

The spelling of 230330243 in words is "two hundred thirty million, three hundred thirty thousand, two hundred forty-three".

Divisors: 1 11 13 143 1610701 17717711 20939113 230330243