Search a number
-
+
828834 = 23138139
BaseRepresentation
bin11001010010110100010
31120002221120
43022112202
5203010314
625433110
710021266
oct3122642
91502846
10828834
11516796
1233b796
13230346
141780a6
151158a9
hexca5a2

828834 has 8 divisors (see below), whose sum is σ = 1657680. Its totient is φ = 276276.

The previous prime is 828833. The next prime is 828859. The reversal of 828834 is 438828.

It is a sphenic number, since it is the product of 3 distinct primes.

828834 is an admirable number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 828795 and 828804.

It is not an unprimeable number, because it can be changed into a prime (828833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69064 + ... + 69075.

It is an arithmetic number, because the mean of its divisors is an integer number (207210).

2828834 is an apocalyptic number.

828834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

828834 is a wasteful number, since it uses less digits than its factorization.

828834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138144.

The product of its digits is 12288, while the sum is 33.

The square root of 828834 is about 910.4032073757. The cubic root of 828834 is about 93.9339357743.

The spelling of 828834 in words is "eight hundred twenty-eight thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 138139 276278 414417 828834