Search a number
-
+
683828 = 22170957
BaseRepresentation
bin10100110111100110100
31021202000222
42212330310
5133340303
622353512
75545445
oct2467464
91252028
10683828
11427852
1228b898
131ac342
1413b2cc
15d7938
hexa6f34

683828 has 6 divisors (see below), whose sum is σ = 1196706. Its totient is φ = 341912.

The previous prime is 683821. The next prime is 683831. The reversal of 683828 is 828386.

It can be written as a sum of positive squares in only one way, i.e., 394384 + 289444 = 628^2 + 538^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683821) by changing a digit.

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 as a sum of consecutive naturals, namely, 85475 + ... + 85482.

It is an arithmetic number, because the mean of its divisors is an integer number (199451).

2683828 is an apocalyptic number.

It is an amenable number.

683828 is a deficient number, since it is larger than the sum of its proper divisors (512878).

683828 is a wasteful number, since it uses less digits than its factorization.

683828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170961 (or 170959 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 683828 is about 826.9389336583. The cubic root of 683828 is about 88.1012952019.

The spelling of 683828 in words is "six hundred eighty-three thousand, eight hundred twenty-eight".

Divisors: 1 2 4 170957 341914 683828