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2668244 = 221394799
BaseRepresentation
bin1010001011011011010100
312000120010212
422023123110
51140340434
6133104552
731452065
oct12133324
95016125
102668244
111562767
12a88158
13725657
144d656c
1537a8ce
hex28b6d4

2668244 has 12 divisors (see below), whose sum is σ = 4704000. Its totient is φ = 1324248.

The previous prime is 2668243. The next prime is 2668247. The reversal of 2668244 is 4428662.

It is a happy number.

2668244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 25 + 62 + 66 + 87 + 219 + 42 + 43 .

It is a self number, because there is not a number n which added to its sum of digits gives 2668244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668241) 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 3 ways as a sum of consecutive naturals, for example, 1844 + ... + 2955.

It is an arithmetic number, because the mean of its divisors is an integer number (392000).

22668244 is an apocalyptic number.

It is an amenable number.

2668244 is a deficient number, since it is larger than the sum of its proper divisors (2035756).

2668244 is a wasteful number, since it uses less digits than its factorization.

2668244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4942 (or 4940 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 2668244 is about 1633.4760481868. The cubic root of 2668244 is about 138.6995910273.

The spelling of 2668244 in words is "two million, six hundred sixty-eight thousand, two hundred forty-four".

Divisors: 1 2 4 139 278 556 4799 9598 19196 667061 1334122 2668244