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275200285 = 5294014733
BaseRepresentation
bin10000011001110…
…011100100011101
3201011211121211011
4100121303210131
51030422402120
643150255221
76551110123
oct2031634435
9634747734
10275200285
11131386058
12781b7511
1345026b09
1428799913
1519260c5a
hex1067391d

275200285 has 16 divisors (see below), whose sum is σ = 342552240. Its totient is φ = 211993600.

The previous prime is 275200283. The next prime is 275200297. The reversal of 275200285 is 582002572.

It can be written as a sum of positive squares in 8 ways, for example, as 3247204 + 271953081 = 1802^2 + 16491^2 .

It is not a de Polignac number, because 275200285 - 21 = 275200283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275200283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55779 + ... + 60511.

It is an arithmetic number, because the mean of its divisors is an integer number (21409515).

Almost surely, 2275200285 is an apocalyptic number.

It is an amenable number.

275200285 is a deficient number, since it is larger than the sum of its proper divisors (67351955).

275200285 is a wasteful number, since it uses less digits than its factorization.

275200285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 275200285 is about 16589.1616726102. The cubic root of 275200285 is about 650.4535572103.

The spelling of 275200285 in words is "two hundred seventy-five million, two hundred thousand, two hundred eighty-five".

Divisors: 1 5 29 145 401 2005 4733 11629 23665 58145 137257 686285 1897933 9489665 55040057 275200285