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52289811 = 3272118571
BaseRepresentation
bin1100011101111…
…0000100010011
310122101121010200
43013132010103
5101341233221
65104430243
71203312300
oct307360423
9118347120
1052289811
1127575122
1215618383
13aaaa722
146d320a7
1548cd426
hex31de113

52289811 has 18 divisors (see below), whose sum is σ = 87861852. Its totient is φ = 29879640.

The previous prime is 52289791. The next prime is 52289819. The reversal of 52289811 is 11898225.

52289811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52289811 - 25 = 52289779 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (52289819) 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 in 17 ways as a sum of consecutive naturals, for example, 58845 + ... + 59726.

It is an arithmetic number, because the mean of its divisors is an integer number (4881214).

Almost surely, 252289811 is an apocalyptic number.

52289811 is a deficient number, since it is larger than the sum of its proper divisors (35572041).

52289811 is a wasteful number, since it uses less digits than its factorization.

52289811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118591 (or 118581 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 52289811 is about 7231.1694075025. The cubic root of 52289811 is about 373.9432435059.

The spelling of 52289811 in words is "fifty-two million, two hundred eighty-nine thousand, eight hundred eleven".

Divisors: 1 3 7 9 21 49 63 147 441 118571 355713 829997 1067139 2489991 5809979 7469973 17429937 52289811