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205255741 is a prime number
BaseRepresentation
bin11000011101111…
…11010000111101
3112022020001221111
430032333100331
5410021140431
632211202021
75041434145
oct1416772075
9468201844
10205255741
11a5952749
12588a6311
13336a7602
141d38d925
15130467b1
hexc3bf43d

205255741 has 2 divisors, whose sum is σ = 205255742. Its totient is φ = 205255740.

The previous prime is 205255723. The next prime is 205255793. The reversal of 205255741 is 147552502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182655225 + 22600516 = 13515^2 + 4754^2 .

It is a cyclic number.

It is not a de Polignac number, because 205255741 - 215 = 205222973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205255441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102627870 + 102627871.

It is an arithmetic number, because the mean of its divisors is an integer number (102627871).

Almost surely, 2205255741 is an apocalyptic number.

It is an amenable number.

205255741 is a deficient number, since it is larger than the sum of its proper divisors (1).

205255741 is an equidigital number, since it uses as much as digits as its factorization.

205255741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 205255741 is about 14326.7491427749. The cubic root of 205255741 is about 589.8819461205.

The spelling of 205255741 in words is "two hundred five million, two hundred fifty-five thousand, seven hundred forty-one".