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230101441 = 1009228049
BaseRepresentation
bin11011011011100…
…01000111000001
3121000222100211121
431231301013001
5432401221231
634455512241
75462554453
oct1555610701
9530870747
10230101441
11108982689
1265088681
13388964cb
14227ba2d3
1515303311
hexdb711c1

230101441 has 4 divisors (see below), whose sum is σ = 230330500. Its totient is φ = 229872384.

The previous prime is 230101433. The next prime is 230101447. The reversal of 230101441 is 144101032.

230101441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136399041 + 93702400 = 11679^2 + 9680^2 .

It is a cyclic number.

It is not a de Polignac number, because 230101441 - 23 = 230101433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230101447) 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, 113016 + ... + 115033.

It is an arithmetic number, because the mean of its divisors is an integer number (57582625).

Almost surely, 2230101441 is an apocalyptic number.

It is an amenable number.

230101441 is a deficient number, since it is larger than the sum of its proper divisors (229059).

230101441 is a wasteful number, since it uses less digits than its factorization.

230101441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229058.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 230101441 is about 15169.0949301532. The cubic root of 230101441 is about 612.7826298585.

Adding to 230101441 its reverse (144101032), we get a palindrome (374202473).

The spelling of 230101441 in words is "two hundred thirty million, one hundred one thousand, four hundred forty-one".

Divisors: 1 1009 228049 230101441