Search a number
-
+
230033041 = 732861863
BaseRepresentation
bin11011011011000…
…00011010010001
3121000211220000021
431231200122101
5432342024131
634454223441
75462151160
oct1555403221
9530756007
10230033041
11108936257
1265054b81
1338871334
142279d3d7
15152dce11
hexdb60691

230033041 has 4 divisors (see below), whose sum is σ = 262894912. Its totient is φ = 197171172.

The previous prime is 230033039. The next prime is 230033047. The reversal of 230033041 is 140330032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230033041 - 21 = 230033039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230033047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16430925 + ... + 16430938.

It is an arithmetic number, because the mean of its divisors is an integer number (65723728).

Almost surely, 2230033041 is an apocalyptic number.

It is an amenable number.

230033041 is a deficient number, since it is larger than the sum of its proper divisors (32861871).

230033041 is an equidigital number, since it uses as much as digits as its factorization.

230033041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32861870.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 230033041 is about 15166.8401784947. The cubic root of 230033041 is about 612.7219052124.

Adding to 230033041 its reverse (140330032), we get a palindrome (370363073).

The spelling of 230033041 in words is "two hundred thirty million, thirty-three thousand, forty-one".

Divisors: 1 7 32861863 230033041