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7128052 = 224094357
BaseRepresentation
bin11011001100001111110100
3111102010211221
4123030033310
53311044202
6412440124
7114405331
oct33141764
914363757
107128052
114029458
122479044
1316275a9
14d37988
1595c037
hex6cc3f4

7128052 has 12 divisors (see below), whose sum is σ = 12507460. Its totient is φ = 3554496.

The previous prime is 7128031. The next prime is 7128071. The reversal of 7128052 is 2508217.

7128052 is digitally balanced in base 5, 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 6937956 + 190096 = 2634^2 + 436^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 543 + ... + 3814.

Almost surely, 27128052 is an apocalyptic number.

It is an amenable number.

7128052 is a deficient number, since it is larger than the sum of its proper divisors (5379408).

7128052 is a wasteful number, since it uses less digits than its factorization.

7128052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770 (or 4768 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 7128052 is about 2669.8411937791. The cubic root of 7128052 is about 192.4525277890.

The spelling of 7128052 in words is "seven million, one hundred twenty-eight thousand, fifty-two".

Divisors: 1 2 4 409 818 1636 4357 8714 17428 1782013 3564026 7128052