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230004221 = 3161121631
BaseRepresentation
bin11011011010110…
…01010111111101
3121000210102110212
431231121113331
5432340113341
634453442205
75462001146
oct1555312775
9530712425
10230004221
11108916637
1265040365
1338861195
1422792acd
15152d45eb
hexdb595fd

230004221 has 8 divisors (see below), whose sum is σ = 241317888. Its totient is φ = 218934000.

The previous prime is 230004217. The next prime is 230004223. The reversal of 230004221 is 122400032.

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 230004221 - 22 = 230004217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230004196 and 230004205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230004223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58925 + ... + 62706.

It is an arithmetic number, because the mean of its divisors is an integer number (30164736).

Almost surely, 2230004221 is an apocalyptic number.

It is an amenable number.

230004221 is a deficient number, since it is larger than the sum of its proper divisors (11313667).

230004221 is a wasteful number, since it uses less digits than its factorization.

230004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121723.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 230004221 is about 15165.8900497135. The cubic root of 230004221 is about 612.6963155801.

Adding to 230004221 its reverse (122400032), we get a palindrome (352404253).

The spelling of 230004221 in words is "two hundred thirty million, four thousand, two hundred twenty-one".

Divisors: 1 31 61 1891 121631 3770561 7419491 230004221