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52289791 is a prime number
BaseRepresentation
bin1100011101111…
…0000011111111
310122101121002221
43013132003333
5101341233131
65104430211
71203312241
oct307360377
9118347087
1052289791
1127575104
1215618367
13aaaa708
146d32091
1548cd411
hex31de0ff

52289791 has 2 divisors, whose sum is σ = 52289792. Its totient is φ = 52289790.

The previous prime is 52289789. The next prime is 52289819. The reversal of 52289791 is 19798225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52289791 - 21 = 52289789 is a prime.

Together with 52289789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52289761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26144895 + 26144896.

It is an arithmetic number, because the mean of its divisors is an integer number (26144896).

Almost surely, 252289791 is an apocalyptic number.

52289791 is a deficient number, since it is larger than the sum of its proper divisors (1).

52289791 is an equidigital number, since it uses as much as digits as its factorization.

52289791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 43.

The square root of 52289791 is about 7231.1680246002. The cubic root of 52289791 is about 373.9431958301.

The spelling of 52289791 in words is "fifty-two million, two hundred eighty-nine thousand, seven hundred ninety-one".