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828936 = 233229397
BaseRepresentation
bin11001010011000001000
31120010002100
43022120020
5203011221
625433400
710021503
oct3123010
91503070
10828936
11516879
1233b860
132303c4
1417813a
15115926
hexca608

828936 has 48 divisors (see below), whose sum is σ = 2328300. Its totient is φ = 266112.

The previous prime is 828923. The next prime is 828941. The reversal of 828936 is 639828.

It can be written as a sum of positive squares in 2 ways, for example, as 820836 + 8100 = 906^2 + 90^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 828936.

It is an unprimeable number.

828936 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1890 + ... + 2286.

2828936 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 828936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164150).

828936 is an abundant number, since it is smaller than the sum of its proper divisors (1499364).

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

828936 is a wasteful number, since it uses less digits than its factorization.

828936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 431 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 828936 is about 910.4592247871. The cubic root of 828936 is about 93.9377889256.

It can be divided in two parts, 828 and 936, that added together give a square (1764 = 422).

The spelling of 828936 in words is "eight hundred twenty-eight thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 397 522 696 794 1044 1191 1588 2088 2382 3176 3573 4764 7146 9528 11513 14292 23026 28584 34539 46052 69078 92104 103617 138156 207234 276312 414468 828936