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204030461 is a prime number
BaseRepresentation
bin11000010100101…
…00000111111101
3112012220211011202
430022110013331
5404212433321
632125025245
75025141665
oct1412240775
9465824152
10204030461
11a5196118
12583b5225
13333689ab
141d1511a5
1512da370b
hexc2941fd

204030461 has 2 divisors, whose sum is σ = 204030462. Its totient is φ = 204030460.

The previous prime is 204030433. The next prime is 204030467. The reversal of 204030461 is 164030402.

It is a happy number.

204030461 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., 182925625 + 21104836 = 13525^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 204030461 - 26 = 204030397 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204030467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102015230 + 102015231.

It is an arithmetic number, because the mean of its divisors is an integer number (102015231).

Almost surely, 2204030461 is an apocalyptic number.

It is an amenable number.

204030461 is a deficient number, since it is larger than the sum of its proper divisors (1).

204030461 is an equidigital number, since it uses as much as digits as its factorization.

204030461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 204030461 is about 14283.9231655732. The cubic root of 204030461 is about 588.7058303540.

Adding to 204030461 its reverse (164030402), we get a palindrome (368060863).

The spelling of 204030461 in words is "two hundred four million, thirty thousand, four hundred sixty-one".