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230413205 = 51134712073
BaseRepresentation
bin11011011101111…
…01001110010101
3121001120012111102
431232331032111
5432441210310
634510315445
75465323421
oct1556751625
9531505442
10230413205
11109075940
12651b8b85
1338975399
142285bb81
15153658a5
hexdbbd395

230413205 has 16 divisors (see below), whose sum is σ = 302526144. Its totient is φ = 167076480.

The previous prime is 230413187. The next prime is 230413273. The reversal of 230413205 is 502314032.

It is a happy number.

It is not a de Polignac number, because 230413205 - 216 = 230347669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13049 + ... + 25121.

It is an arithmetic number, because the mean of its divisors is an integer number (18907884).

Almost surely, 2230413205 is an apocalyptic number.

It is an amenable number.

230413205 is a deficient number, since it is larger than the sum of its proper divisors (72112939).

230413205 is a wasteful number, since it uses less digits than its factorization.

230413205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12436.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230413205 is about 15179.3677404561. The cubic root of 230413205 is about 613.0592576310.

Adding to 230413205 its reverse (502314032), we get a palindrome (732727237).

The spelling of 230413205 in words is "two hundred thirty million, four hundred thirteen thousand, two hundred five".

Divisors: 1 5 11 55 347 1735 3817 12073 19085 60365 132803 664015 4189331 20946655 46082641 230413205