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230014321 = 409356197
BaseRepresentation
bin11011011010110…
…11110101110001
3121000210221022221
431231123311301
5432340424241
634454001041
75462042455
oct1555336561
9530727287
10230014321
11108923189
1265046181
1338865964
1422796665
15152d75d1
hexdb5bd71

230014321 has 4 divisors (see below), whose sum is σ = 230074612. Its totient is φ = 229954032.

The previous prime is 230014297. The next prime is 230014339. The reversal of 230014321 is 123410032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33005025 + 197009296 = 5745^2 + 14036^2 .

It is a cyclic number.

It is not a de Polignac number, because 230014321 - 25 = 230014289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230014295 and 230014304.

It is not an unprimeable number, because it can be changed into a prime (230014621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24006 + ... + 32191.

It is an arithmetic number, because the mean of its divisors is an integer number (57518653).

Almost surely, 2230014321 is an apocalyptic number.

It is an amenable number.

230014321 is a deficient number, since it is larger than the sum of its proper divisors (60291).

230014321 is an equidigital number, since it uses as much as digits as its factorization.

230014321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60290.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230014321 is about 15166.2230301417. The cubic root of 230014321 is about 612.7052837376.

Adding to 230014321 its reverse (123410032), we get a palindrome (353424353).

The spelling of 230014321 in words is "two hundred thirty million, fourteen thousand, three hundred twenty-one".

Divisors: 1 4093 56197 230014321