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2290745 = 53114779
BaseRepresentation
bin1000101111010000111001
311022101022102
420233100321
51041300440
6121033145
725320362
oct10572071
94271272
102290745
111325086
129257b5
13622892
14438b69
15303b15
hex22f439

2290745 has 8 divisors (see below), whose sum is σ = 2837760. Its totient is φ = 1773360.

The previous prime is 2290727. The next prime is 2290747. The reversal of 2290745 is 5470922.

2290745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2290745 - 212 = 2286649 is a prime.

It is a d-powerful number, because it can be written as 217 + 221 + 95 + 0 + 73 + 4 + 55 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290747) 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 7 ways as a sum of consecutive naturals, for example, 7235 + ... + 7544.

It is an arithmetic number, because the mean of its divisors is an integer number (354720).

22290745 is an apocalyptic number.

It is an amenable number.

2290745 is a deficient number, since it is larger than the sum of its proper divisors (547015).

2290745 is a wasteful number, since it uses less digits than its factorization.

2290745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14815.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2290745 is about 1513.5207299538. The cubic root of 2290745 is about 131.8233211703.

The spelling of 2290745 in words is "two million, two hundred ninety thousand, seven hundred forty-five".

Divisors: 1 5 31 155 14779 73895 458149 2290745