Search a number
-
+
230234105 = 552978693
BaseRepresentation
bin11011011100100…
…01011111111001
3121001020002211002
431232101133321
5432414442410
634502414345
75463646313
oct1556213771
9531202732
10230234105
11108a63322
12651313b5
13389119ca
14228127b3
151532c7a5
hexdb917f9

230234105 has 8 divisors (see below), whose sum is σ = 276364872. Its totient is φ = 184131328.

The previous prime is 230234099. The next prime is 230234113. The reversal of 230234105 is 501432032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10394176 + 219839929 = 3224^2 + 14827^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 230234105 - 24 = 230234089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22139 + ... + 30831.

It is an arithmetic number, because the mean of its divisors is an integer number (34545609).

Almost surely, 2230234105 is an apocalyptic number.

It is an amenable number.

230234105 is a deficient number, since it is larger than the sum of its proper divisors (46130767).

230234105 is an equidigital number, since it uses as much as digits as its factorization.

230234105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13995.

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

The square root of 230234105 is about 15173.4671383966. The cubic root of 230234105 is about 612.9003729666.

Adding to 230234105 its reverse (501432032), we get a palindrome (731666137).

The spelling of 230234105 in words is "two hundred thirty million, two hundred thirty-four thousand, one hundred five".

Divisors: 1 5 5297 8693 26485 43465 46046821 230234105