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230242433 is a prime number
BaseRepresentation
bin11011011100100…
…11100010000001
3121001020112020112
431232103202001
5432420224213
634502521105
75464012511
oct1556234201
9531215215
10230242433
11108a69603
1265136195
1338915735
1422815841
151532eea8
hexdb93881

230242433 has 2 divisors, whose sum is σ = 230242434. Its totient is φ = 230242432.

The previous prime is 230242381. The next prime is 230242447. The reversal of 230242433 is 334242032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128777104 + 101465329 = 11348^2 + 10073^2 .

It is a cyclic number.

It is not a de Polignac number, because 230242433 - 216 = 230176897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230242399 and 230242408.

It is not a weakly prime, because it can be changed into another prime (230242333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115121216 + 115121217.

It is an arithmetic number, because the mean of its divisors is an integer number (115121217).

Almost surely, 2230242433 is an apocalyptic number.

It is an amenable number.

230242433 is a deficient number, since it is larger than the sum of its proper divisors (1).

230242433 is an equidigital number, since it uses as much as digits as its factorization.

230242433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 230242433 is about 15173.7415623174. The cubic root of 230242433 is about 612.9077627968.

Adding to 230242433 its reverse (334242032), we get a palindrome (564484465).

The spelling of 230242433 in words is "two hundred thirty million, two hundred forty-two thousand, four hundred thirty-three".