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2813090 = 25725741
BaseRepresentation
bin1010101110110010100010
312021220211112
422232302202
51210004330
6140143322
732624300
oct12566242
95256745
102813090
111651575
12b37b42
13776567
14533270
153a8795
hex2aeca2

2813090 has 24 divisors (see below), whose sum is σ = 5891292. Its totient is φ = 964320.

The previous prime is 2813077. The next prime is 2813099. The reversal of 2813090 is 903182.

2813090 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 2798929 + 14161 = 1673^2 + 119^2 .

It is not an unprimeable number, because it can be changed into a prime (2813099) 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, 2381 + ... + 3360.

22813090 is an apocalyptic number.

2813090 is an abundant number, since it is smaller than the sum of its proper divisors (3078202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2813090 is a wasteful number, since it uses less digits than its factorization.

2813090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762 (or 5755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2813090 is about 1677.2268779149. The cubic root of 2813090 is about 141.1652740644.

The spelling of 2813090 in words is "two million, eight hundred thirteen thousand, ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 5741 11482 28705 40187 57410 80374 200935 281309 401870 562618 1406545 2813090