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230133230 = 2573315251
BaseRepresentation
bin11011011011110…
…00110111101110
3121001000222102222
431231320313232
5432403230410
634500315342
75463046235
oct1555706756
9531028388
10230133230
111089a4558
12650a2b52
13388a7b12
14227c7b1c
151530c955
hexdb78dee

230133230 has 16 divisors (see below), whose sum is σ = 419915664. Its totient is φ = 90792000.

The previous prime is 230133227. The next prime is 230133283. The reversal of 230133230 is 32331032.

It is a super-2 number, since 2×2301332302 = 105922607100465800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230133199 and 230133208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156896 + ... + 158355.

It is an arithmetic number, because the mean of its divisors is an integer number (26244729).

Almost surely, 2230133230 is an apocalyptic number.

230133230 is a deficient number, since it is larger than the sum of its proper divisors (189782434).

230133230 is a wasteful number, since it uses less digits than its factorization.

230133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315331.

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

The square root of 230133230 is about 15170.1427152153. The cubic root of 230133230 is about 612.8108476306.

Adding to 230133230 its reverse (32331032), we get a palindrome (262464262).

The spelling of 230133230 in words is "two hundred thirty million, one hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 73 146 365 730 315251 630502 1576255 3152510 23013323 46026646 115066615 230133230