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205054141 is a prime number
BaseRepresentation
bin11000011100011…
…10000010111101
3112021211211101211
430032032002331
5404443213031
632203004421
75036634325
oct1416160275
9467754354
10205054141
11a5825236
1258809711
1333636916
141d33a285
1513006bb1
hexc38e0bd

205054141 has 2 divisors, whose sum is σ = 205054142. Its totient is φ = 205054140.

The previous prime is 205054133. The next prime is 205054147. The reversal of 205054141 is 141450502.

205054141 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., 159491641 + 45562500 = 12629^2 + 6750^2 .

It is a cyclic number.

It is not a de Polignac number, because 205054141 - 23 = 205054133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205054147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102527070 + 102527071.

It is an arithmetic number, because the mean of its divisors is an integer number (102527071).

Almost surely, 2205054141 is an apocalyptic number.

It is an amenable number.

205054141 is a deficient number, since it is larger than the sum of its proper divisors (1).

205054141 is an equidigital number, since it uses as much as digits as its factorization.

205054141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 205054141 is about 14319.7116241913. The cubic root of 205054141 is about 589.6887576051.

The spelling of 205054141 in words is "two hundred five million, fifty-four thousand, one hundred forty-one".