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23140241 is a prime number
BaseRepresentation
bin101100001000…
…1011110010001
31121112122102222
41120101132101
521410441431
62143550425
7400455155
oct130213621
947478388
1023140241
1112075673
1278bb415
134a42867
143105065
15207157b
hex1611791

23140241 has 2 divisors, whose sum is σ = 23140242. Its totient is φ = 23140240.

The previous prime is 23140217. The next prime is 23140279. The reversal of 23140241 is 14204132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20976400 + 2163841 = 4580^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 23140241 - 26 = 23140177 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23148241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11570120 + 11570121.

It is an arithmetic number, because the mean of its divisors is an integer number (11570121).

Almost surely, 223140241 is an apocalyptic number.

It is an amenable number.

23140241 is a deficient number, since it is larger than the sum of its proper divisors (1).

23140241 is an equidigital number, since it uses as much as digits as its factorization.

23140241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 23140241 is about 4810.4304381209. The cubic root of 23140241 is about 284.9635369376.

Adding to 23140241 its reverse (14204132), we get a palindrome (37344373).

The spelling of 23140241 in words is "twenty-three million, one hundred forty thousand, two hundred forty-one".