Search a number
-
+
230413223 = 17472831019
BaseRepresentation
bin11011011101111…
…01001110100111
3121001120012112002
431232331032213
5432441210343
634510315515
75465323445
oct1556751647
9531505462
10230413223
11109075957
12651b8b9b
13389753b1
142285bb95
15153658b8
hexdbbd3a7

230413223 has 16 divisors (see below), whose sum is σ = 250283520. Its totient is φ = 211287936.

The previous prime is 230413187. The next prime is 230413273. The reversal of 230413223 is 322314032.

It is not a de Polignac number, because 230413223 - 28 = 230412967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230413195 and 230413204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230413273) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 225608 + ... + 226626.

It is an arithmetic number, because the mean of its divisors is an integer number (15642720).

Almost surely, 2230413223 is an apocalyptic number.

230413223 is a deficient number, since it is larger than the sum of its proper divisors (19870297).

230413223 is a wasteful number, since it uses less digits than its factorization.

230413223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 230413223 is about 15179.3683333662. The cubic root of 230413223 is about 613.0592735951.

Adding to 230413223 its reverse (322314032), we get a palindrome (552727255).

The spelling of 230413223 in words is "two hundred thirty million, four hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 17 47 283 799 1019 4811 13301 17323 47893 226117 288377 814181 4902409 13553719 230413223