Search a number
-
+
230202065 = 546040413
BaseRepresentation
bin11011011100010…
…01101011010001
3121001011110212102
431232021223101
5432412431230
634502010145
75463454022
oct1556115321
9531143772
10230202065
11108a41245
1265116955
1338900252
1422804c49
1515323045
hexdb89ad1

230202065 has 4 divisors (see below), whose sum is σ = 276242484. Its totient is φ = 184161648.

The previous prime is 230202061. The next prime is 230202073. The reversal of 230202065 is 560202032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98227921 + 131974144 = 9911^2 + 11488^2 .

It is a cyclic number.

It is not a de Polignac number, because 230202065 - 22 = 230202061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230202061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23020202 + ... + 23020211.

It is an arithmetic number, because the mean of its divisors is an integer number (69060621).

Almost surely, 2230202065 is an apocalyptic number.

It is an amenable number.

230202065 is a deficient number, since it is larger than the sum of its proper divisors (46040419).

230202065 is an equidigital number, since it uses as much as digits as its factorization.

230202065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46040418.

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

The square root of 230202065 is about 15172.4113113242. The cubic root of 230202065 is about 612.8719406905.

Adding to 230202065 its reverse (560202032), we get a palindrome (790404097).

The spelling of 230202065 in words is "two hundred thirty million, two hundred two thousand, sixty-five".

Divisors: 1 5 46040413 230202065