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51204841 is a prime number
BaseRepresentation
bin1100001101010…
…1001011101001
310120100110211121
43003111023221
5101102023331
65025255241
71161143152
oct303251351
9116313747
1051204841
11269a3a56
1215194521
13a7ba92c
146b2c929
154766c11
hex30d52e9

51204841 has 2 divisors, whose sum is σ = 51204842. Its totient is φ = 51204840.

The previous prime is 51204823. The next prime is 51204851. The reversal of 51204841 is 14840215.

51204841 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., 51194025 + 10816 = 7155^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 51204841 - 25 = 51204809 is a prime.

It is not a weakly prime, because it can be changed into another prime (51204851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25602420 + 25602421.

It is an arithmetic number, because the mean of its divisors is an integer number (25602421).

Almost surely, 251204841 is an apocalyptic number.

It is an amenable number.

51204841 is a deficient number, since it is larger than the sum of its proper divisors (1).

51204841 is an equidigital number, since it uses as much as digits as its factorization.

51204841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 51204841 is about 7155.7557951624. The cubic root of 51204841 is about 371.3388094095.

The spelling of 51204841 in words is "fifty-one million, two hundred four thousand, eight hundred forty-one".