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853923841 is a prime number
BaseRepresentation
bin110010111001011…
…101100000000001
32012111210211021221
4302321131200001
53222101030331
6220422315041
730106142611
oct6271354001
92174724257
10853923841
113a9021691
121b9b88a81
13107bb32a4
14815a4a41
154ee79711
hex32e5d801

853923841 has 2 divisors, whose sum is σ = 853923842. Its totient is φ = 853923840.

The previous prime is 853923839. The next prime is 853923857. The reversal of 853923841 is 148329358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 621056241 + 232867600 = 24921^2 + 15260^2 .

It is a cyclic number.

It is not a de Polignac number, because 853923841 - 21 = 853923839 is a prime.

Together with 853923839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (853923881) 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, 426961920 + 426961921.

It is an arithmetic number, because the mean of its divisors is an integer number (426961921).

Almost surely, 2853923841 is an apocalyptic number.

It is an amenable number.

853923841 is a deficient number, since it is larger than the sum of its proper divisors (1).

853923841 is an equidigital number, since it uses as much as digits as its factorization.

853923841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 853923841 is about 29221.9753096877. The cubic root of 853923841 is about 948.7236195791.

The spelling of 853923841 in words is "eight hundred fifty-three million, nine hundred twenty-three thousand, eight hundred forty-one".