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52071889 is a prime number
BaseRepresentation
bin1100011010100…
…0110111010001
310121222112012111
43012220313101
5101312300024
65100025321
71201414042
oct306506721
9117875174
1052071889
1127436421
1215532241
13aa3248c
146cb68c9
154888a94
hex31a8dd1

52071889 has 2 divisors, whose sum is σ = 52071890. Its totient is φ = 52071888.

The previous prime is 52071883. The next prime is 52071893. The reversal of 52071889 is 98817025.

52071889 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., 34574400 + 17497489 = 5880^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 52071889 - 23 = 52071881 is a prime.

It is a super-2 number, since 2×520718892 = 5422963248056642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52071881) 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, 26035944 + 26035945.

It is an arithmetic number, because the mean of its divisors is an integer number (26035945).

Almost surely, 252071889 is an apocalyptic number.

It is an amenable number.

52071889 is a deficient number, since it is larger than the sum of its proper divisors (1).

52071889 is an equidigital number, since it uses as much as digits as its factorization.

52071889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 52071889 is about 7216.0854346384. The cubic root of 52071889 is about 373.4230406416.

The spelling of 52071889 in words is "fifty-two million, seventy-one thousand, eight hundred eighty-nine".