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205532441 is a prime number
BaseRepresentation
bin11000100000000…
…10110100011001
3112022202010111122
430100002310121
5410104014231
632221135025
75043665642
oct1420026431
9468663448
10205532441
11a6021624
12589ba475
133377353a
141d4226c9
151309d77b
hexc402d19

205532441 has 2 divisors, whose sum is σ = 205532442. Its totient is φ = 205532440.

The previous prime is 205532419. The next prime is 205532479. The reversal of 205532441 is 144235502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204490000 + 1042441 = 14300^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 205532441 - 226 = 138423577 is a prime.

It is a super-3 number, since 3×2055324413 (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 205532441.

It is not a weakly prime, because it can be changed into another prime (205532401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102766220 + 102766221.

It is an arithmetic number, because the mean of its divisors is an integer number (102766221).

Almost surely, 2205532441 is an apocalyptic number.

It is an amenable number.

205532441 is a deficient number, since it is larger than the sum of its proper divisors (1).

205532441 is an equidigital number, since it uses as much as digits as its factorization.

205532441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 205532441 is about 14336.4026519905. The cubic root of 205532441 is about 590.1468953398.

Adding to 205532441 its reverse (144235502), we get a palindrome (349767943).

The spelling of 205532441 in words is "two hundred five million, five hundred thirty-two thousand, four hundred forty-one".