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230332033 = 281981707
BaseRepresentation
bin11011011101010…
…01011010000001
3121001102002011001
431232221122001
5432431111113
634504452001
75464534651
oct1556513201
9531362131
10230332033
1110901a958
126517a001
1338947459
142283a361
151534b7dd
hexdba9681

230332033 has 4 divisors (see below), whose sum is σ = 230416560. Its totient is φ = 230247508.

The previous prime is 230332021. The next prime is 230332043. The reversal of 230332033 is 330233032.

230332033 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 230332033 - 25 = 230332001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230332033.

It is not an unprimeable number, because it can be changed into a prime (230332043) 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, 38035 + ... + 43672.

It is an arithmetic number, because the mean of its divisors is an integer number (57604140).

Almost surely, 2230332033 is an apocalyptic number.

It is an amenable number.

230332033 is a deficient number, since it is larger than the sum of its proper divisors (84527).

230332033 is an equidigital number, since it uses as much as digits as its factorization.

230332033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84526.

The product of its (nonzero) digits is 972, while the sum is 19.

The square root of 230332033 is about 15176.6937440274. The cubic root of 230332033 is about 612.9872578645.

Adding to 230332033 its reverse (330233032), we get a palindrome (560565065).

Subtracting 230332033 from its reverse (330233032), we obtain a palindrome (99900999).

The spelling of 230332033 in words is "two hundred thirty million, three hundred thirty-two thousand, thirty-three".

Divisors: 1 2819 81707 230332033