Search a number
-
+
828830 = 2582883
BaseRepresentation
bin11001010010110011110
31120002221102
43022112132
5203010310
625433102
710021262
oct3122636
91502842
10828830
11516792
1233b792
13230342
141780a2
151158a5
hexca59e

828830 has 8 divisors (see below), whose sum is σ = 1491912. Its totient is φ = 331528.

The previous prime is 828829. The next prime is 828833. The reversal of 828830 is 38828.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 828793 and 828802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828833) 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 in 3 ways as a sum of consecutive naturals, for example, 41432 + ... + 41451.

It is an arithmetic number, because the mean of its divisors is an integer number (186489).

2828830 is an apocalyptic number.

828830 is a deficient number, since it is larger than the sum of its proper divisors (663082).

828830 is a wasteful number, since it uses less digits than its factorization.

828830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82890.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 828830 is about 910.4010105443. The cubic root of 828830 is about 93.9337846639.

The spelling of 828830 in words is "eight hundred twenty-eight thousand, eight hundred thirty".

Divisors: 1 2 5 10 82883 165766 414415 828830