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230233441 = 1783129127
BaseRepresentation
bin11011011100100…
…01010101100001
3121001020001220111
431232101111201
5432414432231
634502411321
75463644344
oct1556212541
9531201814
10230233441
11108a62879
1265130b41
1338911609
142281245b
151532c4b1
hexdb91561

230233441 has 4 divisors (see below), whose sum is σ = 230364352. Its totient is φ = 230102532.

The previous prime is 230233429. The next prime is 230233447. The reversal of 230233441 is 144332032.

It is a happy number.

230233441 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230233441 - 29 = 230232929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230233447) 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, 62781 + ... + 66346.

It is an arithmetic number, because the mean of its divisors is an integer number (57591088).

Almost surely, 2230233441 is an apocalyptic number.

It is an amenable number.

230233441 is a deficient number, since it is larger than the sum of its proper divisors (130911).

230233441 is a wasteful number, since it uses less digits than its factorization.

230233441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130910.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 230233441 is about 15173.4452580816. The cubic root of 230233441 is about 612.8997837602.

Adding to 230233441 its reverse (144332032), we get a palindrome (374565473).

The spelling of 230233441 in words is "two hundred thirty million, two hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 1783 129127 230233441