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51306841 is a prime number
BaseRepresentation
bin1100001110111…
…0000101011001
310120112122202101
43003232011121
5101113304331
65031403401
71162046425
oct303560531
9116478671
1051306841
1126a63653
1215223561
13a8251a1
146b57b85
154787061
hex30ee159

51306841 has 2 divisors, whose sum is σ = 51306842. Its totient is φ = 51306840.

The previous prime is 51306811. The next prime is 51306881. The reversal of 51306841 is 14860315.

51306841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36252441 + 15054400 = 6021^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 51306841 - 213 = 51298649 is a prime.

It is equal to p3074707 and since 51306841 and 3074707 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51306811) 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, 25653420 + 25653421.

It is an arithmetic number, because the mean of its divisors is an integer number (25653421).

Almost surely, 251306841 is an apocalyptic number.

It is an amenable number.

51306841 is a deficient number, since it is larger than the sum of its proper divisors (1).

51306841 is an equidigital number, since it uses as much as digits as its factorization.

51306841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 51306841 is about 7162.8793791324. The cubic root of 51306841 is about 371.5852147337.

The spelling of 51306841 in words is "fifty-one million, three hundred six thousand, eight hundred forty-one".