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205424041 is a prime number
BaseRepresentation
bin11000011111010…
…00010110101001
3112022112121210211
430033220112221
5410042032131
632214541121
75043034624
oct1417502651
9468477724
10205424041
11a5a58139
12589677a1
13337360b4
141d3d4dbb
151307b5b1
hexc3e85a9

205424041 has 2 divisors, whose sum is σ = 205424042. Its totient is φ = 205424040.

The previous prime is 205423993. The next prime is 205424047. The reversal of 205424041 is 140424502.

It is a happy number.

205424041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180633600 + 24790441 = 13440^2 + 4979^2 .

It is a cyclic number.

It is not a de Polignac number, because 205424041 - 27 = 205423913 is a prime.

It is not a weakly prime, because it can be changed into another prime (205424047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102712020 + 102712021.

It is an arithmetic number, because the mean of its divisors is an integer number (102712021).

Almost surely, 2205424041 is an apocalyptic number.

It is an amenable number.

205424041 is a deficient number, since it is larger than the sum of its proper divisors (1).

205424041 is an equidigital number, since it uses as much as digits as its factorization.

205424041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 205424041 is about 14332.6215675989. The cubic root of 205424041 is about 590.0431271740.

Adding to 205424041 its reverse (140424502), we get a palindrome (345848543).

The spelling of 205424041 in words is "two hundred five million, four hundred twenty-four thousand, forty-one".