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205029053 is a prime number
BaseRepresentation
bin11000011100001…
…11111010111101
3112021210112222122
430032013322331
5404441412203
632202252325
75036501225
oct1416077275
9467715878
10205029053
11a58083a9
12587b70a5
1333628388
141d331085
1512eee538
hexc387ebd

205029053 has 2 divisors, whose sum is σ = 205029054. Its totient is φ = 205029052.

The previous prime is 205029001. The next prime is 205029079. The reversal of 205029053 is 350920502.

It is an a-pointer prime, because the next prime (205029079) can be obtained adding 205029053 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159087769 + 45941284 = 12613^2 + 6778^2 .

It is a cyclic number.

It is not a de Polignac number, because 205029053 - 28 = 205028797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205029553) 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, 102514526 + 102514527.

It is an arithmetic number, because the mean of its divisors is an integer number (102514527).

Almost surely, 2205029053 is an apocalyptic number.

It is an amenable number.

205029053 is a deficient number, since it is larger than the sum of its proper divisors (1).

205029053 is an equidigital number, since it uses as much as digits as its factorization.

205029053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 205029053 is about 14318.8356021012. The cubic root of 205029053 is about 589.6647075097.

Adding to 205029053 its reverse (350920502), we get a palindrome (555949555).

The spelling of 205029053 in words is "two hundred five million, twenty-nine thousand, fifty-three".