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2285261 = 111032017
BaseRepresentation
bin1000101101111011001101
311022002210022
420231323031
51041112021
6120551525
725265366
oct10557315
94262708
102285261
111320a50
129225a5
13620234
14436b6d
153021ab
hex22decd

2285261 has 8 divisors (see below), whose sum is σ = 2518464. Its totient is φ = 2056320.

The previous prime is 2285251. The next prime is 2285267. The reversal of 2285261 is 1625822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2285261 - 218 = 2023117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2285261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (314808).

22285261 is an apocalyptic number.

It is an amenable number.

2285261 is a deficient number, since it is larger than the sum of its proper divisors (233203).

2285261 is a wasteful number, since it uses less digits than its factorization.

2285261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131.

The product of its digits is 1920, while the sum is 26.

The square root of 2285261 is about 1511.7079744448. The cubic root of 2285261 is about 131.7180429389.

The spelling of 2285261 in words is "two million, two hundred eighty-five thousand, two hundred sixty-one".

Divisors: 1 11 103 1133 2017 22187 207751 2285261