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2832213 = 3944071
BaseRepresentation
bin1010110011011101010101
312022220001210
422303131111
51211112323
6140412033
733034116
oct12633525
95286053
102832213
11166497a
12b47019
13782187
1453a20d
153ae293
hex2b3755

2832213 has 4 divisors (see below), whose sum is σ = 3776288. Its totient is φ = 1888140.

The previous prime is 2832211. The next prime is 2832223. The reversal of 2832213 is 3122382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2832213 - 21 = 2832211 is a prime.

It is a d-powerful number, because it can be written as 27 + 85 + 36 + 219 + 221 + 1 + 311 .

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2832213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2832211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472033 + ... + 472038.

It is an arithmetic number, because the mean of its divisors is an integer number (944072).

22832213 is an apocalyptic number.

It is an amenable number.

2832213 is a deficient number, since it is larger than the sum of its proper divisors (944075).

2832213 is an equidigital number, since it uses as much as digits as its factorization.

2832213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944074.

The product of its digits is 576, while the sum is 21.

The square root of 2832213 is about 1682.9180015675. The cubic root of 2832213 is about 141.4844260267.

Adding to 2832213 its reverse (3122382), we get a palindrome (5954595).

The spelling of 2832213 in words is "two million, eight hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 3 944071 2832213