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230144633 is a prime number
BaseRepresentation
bin11011011011110…
…11101001111001
3121001001120002022
431231323221321
5432404112013
634500444225
75463124415
oct1555735171
9531046068
10230144633
11108a02084
12650a9675
13388b0074
14227cbd45
1515311008
hexdb7ba79

230144633 has 2 divisors, whose sum is σ = 230144634. Its totient is φ = 230144632.

The previous prime is 230144597. The next prime is 230144639. The reversal of 230144633 is 336441032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158961664 + 71182969 = 12608^2 + 8437^2 .

It is a cyclic number.

It is not a de Polignac number, because 230144633 - 210 = 230143609 is a prime.

It is not a weakly prime, because it can be changed into another prime (230144639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115072316 + 115072317.

It is an arithmetic number, because the mean of its divisors is an integer number (115072317).

Almost surely, 2230144633 is an apocalyptic number.

It is an amenable number.

230144633 is a deficient number, since it is larger than the sum of its proper divisors (1).

230144633 is an equidigital number, since it uses as much as digits as its factorization.

230144633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 230144633 is about 15170.5185474986. The cubic root of 230144633 is about 612.8209689658.

Adding to 230144633 its reverse (336441032), we get a palindrome (566585665).

The spelling of 230144633 in words is "two hundred thirty million, one hundred forty-four thousand, six hundred thirty-three".