Search a number
-
+
230243115 = 3515349541
BaseRepresentation
bin11011011100100…
…11101100101011
3121001020120011210
431232103230223
5432420234430
634502524203
75464014504
oct1556235453
9531216153
10230243115
11108a6a073
1265136663
1338915b3b
1422815bab
15153302b0
hexdb93b2b

230243115 has 8 divisors (see below), whose sum is σ = 368389008. Its totient is φ = 122796320.

The previous prime is 230243099. The next prime is 230243129. The reversal of 230243115 is 511342032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230243115 - 24 = 230243099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230243091 and 230243100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7674756 + ... + 7674785.

It is an arithmetic number, because the mean of its divisors is an integer number (46048626).

Almost surely, 2230243115 is an apocalyptic number.

230243115 is a deficient number, since it is larger than the sum of its proper divisors (138145893).

230243115 is a wasteful number, since it uses less digits than its factorization.

230243115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15349549.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 230243115 is about 15173.7640353341. The cubic root of 230243115 is about 612.9083679599.

Adding to 230243115 its reverse (511342032), we get a palindrome (741585147).

The spelling of 230243115 in words is "two hundred thirty million, two hundred forty-three thousand, one hundred fifteen".

Divisors: 1 3 5 15 15349541 46048623 76747705 230243115