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2802223 = 10726189
BaseRepresentation
bin1010101100001000101111
312021100221001
422230020233
51204132343
6140021131
732550514
oct12541057
95240831
102802223
111644396
12b317a7
13771628
1452d30b
153a544d
hex2ac22f

2802223 has 4 divisors (see below), whose sum is σ = 2828520. Its totient is φ = 2775928.

The previous prime is 2802211. The next prime is 2802257. The reversal of 2802223 is 3222082.

2802223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2802223 - 213 = 2794031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2802223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2802623) 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, 12988 + ... + 13201.

It is an arithmetic number, because the mean of its divisors is an integer number (707130).

22802223 is an apocalyptic number.

2802223 is a deficient number, since it is larger than the sum of its proper divisors (26297).

2802223 is a wasteful number, since it uses less digits than its factorization.

2802223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26296.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2802223 is about 1673.9841695787. The cubic root of 2802223 is about 140.9832651198.

It can be divided in two parts, 2802 and 223, that added together give a square (3025 = 552).

The spelling of 2802223 in words is "two million, eight hundred two thousand, two hundred twenty-three".

Divisors: 1 107 26189 2802223