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828568 = 231331257
BaseRepresentation
bin11001010010010011000
31120002120201
43022102120
5203003233
625431544
710020436
oct3122230
91502521
10828568
11516574
1233b5b4
132301a0
14177d56
1511577d
hexca498

828568 has 32 divisors (see below), whose sum is σ = 1733760. Its totient is φ = 368640.

The previous prime is 828557. The next prime is 828577. The reversal of 828568 is 865828.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 3352.

It is an arithmetic number, because the mean of its divisors is an integer number (54180).

2828568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 828568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866880).

828568 is an abundant number, since it is smaller than the sum of its proper divisors (905192).

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

828568 is a wasteful number, since it uses less digits than its factorization.

828568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 303 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 828568 is about 910.2571065364. The cubic root of 828568 is about 93.9238858727.

The spelling of 828568 in words is "eight hundred twenty-eight thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 257 403 514 806 1028 1612 2056 3224 3341 6682 7967 13364 15934 26728 31868 63736 103571 207142 414284 828568