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985448773 is a prime number
BaseRepresentation
bin111010101111001…
…100000101000101
32112200021222120201
4322233030011011
54004233330043
6241441330501
733264114331
oct7257140505
92480258521
10985448773
11466295281
12236036a31
13129213baa
1494c407c1
155b7a9c4d
hex3abcc145

985448773 has 2 divisors, whose sum is σ = 985448774. Its totient is φ = 985448772.

The previous prime is 985448771. The next prime is 985448833. The reversal of 985448773 is 377844589.

985448773 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 can be written as a sum of positive squares in only one way, i.e., 542051524 + 443397249 = 23282^2 + 21057^2 .

It is a cyclic number.

It is not a de Polignac number, because 985448773 - 21 = 985448771 is a prime.

It is a super-2 number, since 2×9854487732 = 1942218568414411058, which contains 22 as substring.

Together with 985448771, 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 (985448771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492724386 + 492724387.

It is an arithmetic number, because the mean of its divisors is an integer number (492724387).

Almost surely, 2985448773 is an apocalyptic number.

It is an amenable number.

985448773 is a deficient number, since it is larger than the sum of its proper divisors (1).

985448773 is an equidigital number, since it uses as much as digits as its factorization.

985448773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 55.

The square root of 985448773 is about 31391.8583871678. The cubic root of 985448773 is about 995.1258724793.

The spelling of 985448773 in words is "nine hundred eighty-five million, four hundred forty-eight thousand, seven hundred seventy-three".