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230434441 = 981723473
BaseRepresentation
bin11011011110000…
…10011010001001
3121001121021121221
431233002122021
5432442400231
634511002041
75465442346
oct1557023211
9531537557
10230434441
1110908a896
1265209321
1338981c53
14228657cd
151536bd11
hexdbc2689

230434441 has 4 divisors (see below), whose sum is σ = 230467732. Its totient is φ = 230401152.

The previous prime is 230434427. The next prime is 230434499. The reversal of 230434441 is 144434032.

230434441 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 228463225 + 1971216 = 15115^2 + 1404^2 .

It is a cyclic number.

It is not a de Polignac number, because 230434441 - 227 = 96216713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230434741) 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, 1920 + ... + 21553.

It is an arithmetic number, because the mean of its divisors is an integer number (57616933).

Almost surely, 2230434441 is an apocalyptic number.

It is an amenable number.

230434441 is a deficient number, since it is larger than the sum of its proper divisors (33291).

230434441 is an equidigital number, since it uses as much as digits as its factorization.

230434441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33290.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 230434441 is about 15180.0672264651. The cubic root of 230434441 is about 613.0780912252.

Adding to 230434441 its reverse (144434032), we get a palindrome (374868473).

The spelling of 230434441 in words is "two hundred thirty million, four hundred thirty-four thousand, four hundred forty-one".

Divisors: 1 9817 23473 230434441