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549855085 = 51315975297
BaseRepresentation
bin100000110001100…
…001111101101101
31102022122112101011
4200301201331231
52111230330320
6130321145221
716424456023
oct4061417555
91368575334
10549855085
1126241929a
1213418b211
1389bbc550
1453052713
153341505a
hex20c61f6d

549855085 has 16 divisors (see below), whose sum is σ = 711161136. Its totient is φ = 405715968.

The previous prime is 549855067. The next prime is 549855121. The reversal of 549855085 is 580558945.

549855085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 35200489 + 514654596 = 5933^2 + 22686^2 .

It is a cyclic number.

It is not a de Polignac number, because 549855085 - 213 = 549846893 is a prime.

It is a super-2 number, since 2×5498550852 = 604681229000714450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101157 + ... + 106453.

It is an arithmetic number, because the mean of its divisors is an integer number (44447571).

Almost surely, 2549855085 is an apocalyptic number.

It is an amenable number.

549855085 is a deficient number, since it is larger than the sum of its proper divisors (161306051).

549855085 is a wasteful number, since it uses less digits than its factorization.

549855085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912.

The product of its (nonzero) digits is 1440000, while the sum is 49.

The square root of 549855085 is about 23448.9889973960. The cubic root of 549855085 is about 819.2493055271.

The spelling of 549855085 in words is "five hundred forty-nine million, eight hundred fifty-five thousand, eighty-five".

Divisors: 1 5 13 65 1597 5297 7985 20761 26485 68861 103805 344305 8459309 42296545 109971017 549855085