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828213 = 3359769
BaseRepresentation
bin11001010001100110101
31120002002120
43022030311
5203000323
625430153
710016421
oct3121465
91502076
10828213
11516281
1233b359
1322cc89
14177b81
151155e3
hexca335

828213 has 8 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 549888.

The previous prime is 828209. The next prime is 828221. The reversal of 828213 is 312828.

828213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 828213 - 22 = 828209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (138600).

2828213 is an apocalyptic number.

It is an amenable number.

828213 is a deficient number, since it is larger than the sum of its proper divisors (280587).

828213 is a wasteful number, since it uses less digits than its factorization.

828213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its digits is 768, while the sum is 24.

The square root of 828213 is about 910.0620857942. The cubic root of 828213 is about 93.9104700587.

The spelling of 828213 in words is "eight hundred twenty-eight thousand, two hundred thirteen".

Divisors: 1 3 359 769 1077 2307 276071 828213