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230330321 = 1372724371
BaseRepresentation
bin11011011101010…
…00111111010001
3121001101222210122
431232220333101
5432431032241
634504440025
75464526654
oct1556507721
9531358718
10230330321
11109019641
1265179015
1338946740
142283989b
151534b04b
hexdba8fd1

230330321 has 8 divisors (see below), whose sum is σ = 248399424. Its totient is φ = 212311440.

The previous prime is 230330311. The next prime is 230330323. The reversal of 230330321 is 123033032.

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

It is a cyclic number.

It is not a de Polignac number, because 230330321 - 222 = 226136017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230330321.

It is not an unprimeable number, because it can be changed into a prime (230330323) 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 7 ways as a sum of consecutive naturals, for example, 2735 + ... + 21636.

It is an arithmetic number, because the mean of its divisors is an integer number (31049928).

Almost surely, 2230330321 is an apocalyptic number.

It is an amenable number.

230330321 is a deficient number, since it is larger than the sum of its proper divisors (18069103).

230330321 is a wasteful number, since it uses less digits than its factorization.

230330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25111.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 230330321 is about 15176.6373416511. The cubic root of 230330321 is about 612.9857391341.

Adding to 230330321 its reverse (123033032), we get a palindrome (353363353).

The spelling of 230330321 in words is "two hundred thirty million, three hundred thirty thousand, three hundred twenty-one".

Divisors: 1 13 727 9451 24371 316823 17717717 230330321