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51108241 is a prime number
BaseRepresentation
bin1100001011110…
…1100110010001
310120011120022211
43002331212101
5101040430431
65023232121
71160261422
oct302754621
9116146284
1051108241
1126938418
1215148641
13a785982
146b05649
1547482b1
hex30bd991

51108241 has 2 divisors, whose sum is σ = 51108242. Its totient is φ = 51108240.

The previous prime is 51108227. The next prime is 51108251. The reversal of 51108241 is 14280115.

51108241 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., 42198016 + 8910225 = 6496^2 + 2985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51108241 is a prime.

It is a super-2 number, since 2×511082412 = 5224104596228162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51108251) 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, 25554120 + 25554121.

It is an arithmetic number, because the mean of its divisors is an integer number (25554121).

Almost surely, 251108241 is an apocalyptic number.

It is an amenable number.

51108241 is a deficient number, since it is larger than the sum of its proper divisors (1).

51108241 is an equidigital number, since it uses as much as digits as its factorization.

51108241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 51108241 is about 7149.0027975935. The cubic root of 51108241 is about 371.1051471911.

Adding to 51108241 its reverse (14280115), we get a palindrome (65388356).

The spelling of 51108241 in words is "fifty-one million, one hundred eight thousand, two hundred forty-one".