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2286505 = 513291213
BaseRepresentation
bin1000101110001110101001
311022011111101
420232032221
51041132010
6121001401
725302124
oct10561651
94264441
102286505
111321981
12923261
13620980
144373bb
1530273a
hex22e3a9

2286505 has 16 divisors (see below), whose sum is σ = 3059280. Its totient is φ = 1628928.

The previous prime is 2286491. The next prime is 2286511. The reversal of 2286505 is 5056822.

2286505 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 614656 + 1671849 = 784^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 2286505 - 27 = 2286377 is a prime.

2286505 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (191205).

22286505 is an apocalyptic number.

It is an amenable number.

2286505 is a deficient number, since it is larger than the sum of its proper divisors (772775).

2286505 is a wasteful number, since it uses less digits than its factorization.

2286505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2286505 is about 1512.1193735946. The cubic root of 2286505 is about 131.7419391914.

The spelling of 2286505 in words is "two million, two hundred eighty-six thousand, five hundred five".

Divisors: 1 5 13 29 65 145 377 1213 1885 6065 15769 35177 78845 175885 457301 2286505