Search a number
-
+
230104221 = 3372073011
BaseRepresentation
bin11011011011100…
…01110010011101
3121000222111122120
431231301302131
5432401313341
634455533153
75462565534
oct1555616235
9530874576
10230104221
11108984786
126508a1b9
1338897859
14227bb31b
1515304066
hexdb71c9d

230104221 has 8 divisors (see below), whose sum is σ = 315097824. Its totient is φ = 149256720.

The previous prime is 230104207. The next prime is 230104243. The reversal of 230104221 is 122401032.

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

It is not a de Polignac number, because 230104221 - 26 = 230104157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230104221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230104201) by changing a digit.

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, 1036395 + ... + 1036616.

It is an arithmetic number, because the mean of its divisors is an integer number (39387228).

Almost surely, 2230104221 is an apocalyptic number.

It is an amenable number.

230104221 is a deficient number, since it is larger than the sum of its proper divisors (84993603).

230104221 is a wasteful number, since it uses less digits than its factorization.

230104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073051.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 230104221 is about 15169.1865635571. The cubic root of 230104221 is about 612.7850976525.

Adding to 230104221 its reverse (122401032), we get a palindrome (352505253).

The spelling of 230104221 in words is "two hundred thirty million, one hundred four thousand, two hundred twenty-one".

Divisors: 1 3 37 111 2073011 6219033 76701407 230104221