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230012330 = 2523001233
BaseRepresentation
bin11011011010110…
…11010110101010
3121000210211121012
431231123112222
5432340343310
634453543522
75462033612
oct1555332652
9530724535
10230012330
11108921739
1265044ba2
1338864a92
1422795a42
15152d6c05
hexdb5b5aa

230012330 has 8 divisors (see below), whose sum is σ = 414022212. Its totient is φ = 92004928.

The previous prime is 230012327. The next prime is 230012333. The reversal of 230012330 is 33210032.

It is an interprime number because it is at equal distance from previous prime (230012327) and next prime (230012333).

It can be written as a sum of positive squares in 2 ways, for example, as 194239969 + 35772361 = 13937^2 + 5981^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230012333) 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, 11500607 + ... + 11500626.

Almost surely, 2230012330 is an apocalyptic number.

230012330 is a deficient number, since it is larger than the sum of its proper divisors (184009882).

230012330 is a wasteful number, since it uses less digits than its factorization.

230012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23001240.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 230012330 is about 15166.1573907170. The cubic root of 230012330 is about 612.7035158770.

Adding to 230012330 its reverse (33210032), we get a palindrome (263222362).

The spelling of 230012330 in words is "two hundred thirty million, twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 23001233 46002466 115006165 230012330