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230340241 = 761302681
BaseRepresentation
bin11011011101010…
…11011010010001
3121001102111102001
431232223122101
5432431341431
634504554001
75464600615
oct1556533221
9531374361
10230340241
1110902603a
1265182901
133894b101
142283d345
151534de61
hexdbab691

230340241 has 4 divisors (see below), whose sum is σ = 230643684. Its totient is φ = 230036800.

The previous prime is 230340233. The next prime is 230340247. The reversal of 230340241 is 142043032.

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 79566400 + 150773841 = 8920^2 + 12279^2 .

It is a cyclic number.

It is not a de Polignac number, because 230340241 - 23 = 230340233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230340247) 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, 150580 + ... + 152101.

It is an arithmetic number, because the mean of its divisors is an integer number (57660921).

Almost surely, 2230340241 is an apocalyptic number.

It is an amenable number.

230340241 is a deficient number, since it is larger than the sum of its proper divisors (303443).

230340241 is an equidigital number, since it uses as much as digits as its factorization.

230340241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303442.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 230340241 is about 15176.9641562468. The cubic root of 230340241 is about 612.9945391496.

Adding to 230340241 its reverse (142043032), we get a palindrome (372383273).

The spelling of 230340241 in words is "two hundred thirty million, three hundred forty thousand, two hundred forty-one".

Divisors: 1 761 302681 230340241