Search a number
-
+
230230213 = 435990749
BaseRepresentation
bin11011011100100…
…00100011000101
3121001012220110221
431232100203011
5432414331323
634502344341
75463632053
oct1556204305
9531186427
10230230213
11108a60404
126512b0b1
133890ccc5
14228111d3
151532b55d
hexdb908c5

230230213 has 8 divisors (see below), whose sum is σ = 239580000. Its totient is φ = 221062128.

The previous prime is 230230193. The next prime is 230230223. The reversal of 230230213 is 312032032.

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 230230213 - 213 = 230222021 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 (230230223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42838 + ... + 47911.

It is an arithmetic number, because the mean of its divisors is an integer number (29947500).

Almost surely, 2230230213 is an apocalyptic number.

It is an amenable number.

230230213 is a deficient number, since it is larger than the sum of its proper divisors (9349787).

230230213 is an equidigital number, since it uses as much as digits as its factorization.

230230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90851.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 230230213 is about 15173.3388876674. The cubic root of 230230213 is about 612.8969193490.

Adding to 230230213 its reverse (312032032), we get a palindrome (542262245).

The spelling of 230230213 in words is "two hundred thirty million, two hundred thirty thousand, two hundred thirteen".

Divisors: 1 43 59 2537 90749 3902207 5354191 230230213