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230230130 = 251329173353
BaseRepresentation
bin11011011100100…
…00100001110010
3121001012220100212
431232100201302
5432414331010
634502344122
75463631604
oct1556204162
9531186325
10230230130
11108a60339
126512b042
133890cc60
1422811174
151532b505
hexdb90872

230230130 has 64 divisors (see below), whose sum is σ = 465665760. Its totient is φ = 81371136.

The previous prime is 230230123. The next prime is 230230151. The reversal of 230230130 is 31032032.

230230130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 24393721 + 205836409 = 4939^2 + 14347^2 .

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 652034 + ... + 652386.

Almost surely, 2230230130 is an apocalyptic number.

230230130 is an abundant number, since it is smaller than the sum of its proper divisors (235435630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230230130 is a wasteful number, since it uses less digits than its factorization.

230230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

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

The square root of 230230130 is about 15173.3361526067. The cubic root of 230230130 is about 612.8968456974.

Adding to 230230130 its reverse (31032032), we get a palindrome (261262162).

The spelling of 230230130 in words is "two hundred thirty million, two hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 29 58 65 130 145 173 290 346 353 377 706 754 865 1730 1765 1885 2249 3530 3770 4498 4589 5017 9178 10034 10237 11245 20474 22490 22945 25085 45890 50170 51185 61069 65221 102370 122138 130442 133081 266162 305345 326105 610690 652210 665405 793897 1330810 1587794 1771001 3542002 3969485 7938970 8855005 17710010 23023013 46046026 115115065 230230130