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826828 = 22972131
BaseRepresentation
bin11001001110111001100
31120000012021
43021313030
5202424303
625415524
710012402
oct3116714
91500167
10826828
11515232
1233a5a4
1322c462
14177472
15114ebd
hexc9dcc

826828 has 12 divisors (see below), whose sum is σ = 1462552. Its totient is φ = 408960.

The previous prime is 826811. The next prime is 826831. The reversal of 826828 is 828628.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 826793 and 826802.

It is an unprimeable number.

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, 678 + ... + 1453.

2826828 is an apocalyptic number.

It is an amenable number.

826828 is a deficient number, since it is larger than the sum of its proper divisors (635724).

826828 is a wasteful number, since it uses less digits than its factorization.

826828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232 (or 2230 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 826828 is about 909.3008303086. The cubic root of 826828 is about 93.8580928037.

The spelling of 826828 in words is "eight hundred twenty-six thousand, eight hundred twenty-eight".

Divisors: 1 2 4 97 194 388 2131 4262 8524 206707 413414 826828