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51790771 is a prime number
BaseRepresentation
bin1100010110010…
…0001110110011
310121110020120201
43011210032303
5101224301041
65050020031
71166133334
oct305441663
9117406521
1051790771
112726419a
1215417617
13a964536
146c4228b
154830631
hex31643b3

51790771 has 2 divisors, whose sum is σ = 51790772. Its totient is φ = 51790770.

The previous prime is 51790763. The next prime is 51790807. The reversal of 51790771 is 17709715.

51790771 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 is a cyclic number.

It is not a de Polignac number, because 51790771 - 23 = 51790763 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51790771.

It is not a weakly prime, because it can be changed into another prime (51790171) 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, 25895385 + 25895386.

It is an arithmetic number, because the mean of its divisors is an integer number (25895386).

Almost surely, 251790771 is an apocalyptic number.

51790771 is a deficient number, since it is larger than the sum of its proper divisors (1).

51790771 is an equidigital number, since it uses as much as digits as its factorization.

51790771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15435, while the sum is 37.

The square root of 51790771 is about 7196.5805074355. The cubic root of 51790771 is about 372.7498340516.

The spelling of 51790771 in words is "fifty-one million, seven hundred ninety thousand, seven hundred seventy-one".