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2243343 = 3747781
BaseRepresentation
bin1000100011101100001111
311012222021210
420203230033
51033241333
6120025503
725032234
oct10435417
94188253
102243343
1112a2503
12902293
1360712b
1442578b
152e4a63
hex223b0f

2243343 has 4 divisors (see below), whose sum is σ = 2991128. Its totient is φ = 1495560.

The previous prime is 2243333. The next prime is 2243359. The reversal of 2243343 is 3433422.

Added to its reverse (3433422) it gives a triangular number (5676765 = T3369).

2243343 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 not a de Polignac number, because 2243343 - 210 = 2242319 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 27 + 219 + 42 + 3 + 310 + 48 + 313 .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243333) 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, 373888 + ... + 373893.

It is an arithmetic number, because the mean of its divisors is an integer number (747782).

22243343 is an apocalyptic number.

2243343 is a deficient number, since it is larger than the sum of its proper divisors (747785).

2243343 is an equidigital number, since it uses as much as digits as its factorization.

2243343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747784.

The product of its digits is 1728, while the sum is 21.

The square root of 2243343 is about 1497.7793562471. The cubic root of 2243343 is about 130.9077103793.

Adding to 2243343 its reverse (3433422), we get a palindrome (5676765).

It can be divided in two parts, 22 and 43343, that added together give a triangular number (43365 = T294).

The spelling of 2243343 in words is "two million, two hundred forty-three thousand, three hundred forty-three".

Divisors: 1 3 747781 2243343