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6828564 = 223569047
BaseRepresentation
bin11010000011001000010100
3110211221000210
4122003020110
53222003224
6402205420
7112020231
oct32031024
913757023
106828564
113944446
122353870
131551192
14c9a788
158ed429
hex683214

6828564 has 12 divisors (see below), whose sum is σ = 15933344. Its totient is φ = 2276184.

The previous prime is 6828557. The next prime is 6828599. The reversal of 6828564 is 4658286.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284512 + ... + 284535.

Almost surely, 26828564 is an apocalyptic number.

It is an amenable number.

6828564 is an abundant number, since it is smaller than the sum of its proper divisors (9104780).

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

6828564 is a wasteful number, since it uses less digits than its factorization.

6828564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569054 (or 569052 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 6828564 is about 2613.1521195675. The cubic root of 6828564 is about 189.7185491226.

The spelling of 6828564 in words is "six million, eight hundred twenty-eight thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 569047 1138094 1707141 2276188 3414282 6828564