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2286261 = 32534793
BaseRepresentation
bin1000101110001010110101
311022011011100
420232022311
51041130021
6121000313
725301325
oct10561265
94264140
102286261
11132177a
12923099
13620823
14437285
15302626
hex22e2b5

2286261 has 12 divisors (see below), whose sum is σ = 3365388. Its totient is φ = 1495104.

The previous prime is 2286257. The next prime is 2286293. The reversal of 2286261 is 1626822.

2286261 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 2 ways, for example, as 1822500 + 463761 = 1350^2 + 681^2 .

It is not a de Polignac number, because 2286261 - 22 = 2286257 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286961) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1920 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (280449).

22286261 is an apocalyptic number.

It is an amenable number.

2286261 is a deficient number, since it is larger than the sum of its proper divisors (1079127).

2286261 is a wasteful number, since it uses less digits than its factorization.

2286261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852 (or 4849 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2286261 is about 1512.0386899812. The cubic root of 2286261 is about 131.7372528285.

The spelling of 2286261 in words is "two million, two hundred eighty-six thousand, two hundred sixty-one".

Divisors: 1 3 9 53 159 477 4793 14379 43137 254029 762087 2286261