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2144343 = 3714781
BaseRepresentation
bin1000001011100001010111
311000221111010
420023201113
51022104333
6113543303
724140505
oct10134127
94027433
102144343
111235093
12874b33
135a1056
143db675
152c5563
hex20b857

2144343 has 4 divisors (see below), whose sum is σ = 2859128. Its totient is φ = 1429560.

The previous prime is 2144323. The next prime is 2144369. The reversal of 2144343 is 3434412.

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

It is not a de Polignac number, because 2144343 - 26 = 2144279 is a prime.

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 (2144323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357388 + ... + 357393.

It is an arithmetic number, because the mean of its divisors is an integer number (714782).

22144343 is an apocalyptic number.

2144343 is a deficient number, since it is larger than the sum of its proper divisors (714785).

2144343 is an equidigital number, since it uses as much as digits as its factorization.

2144343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714784.

The product of its digits is 1152, while the sum is 21.

The square root of 2144343 is about 1464.3575383082. The cubic root of 2144343 is about 128.9529905029.

Adding to 2144343 its reverse (3434412), we get a palindrome (5578755).

The spelling of 2144343 in words is "two million, one hundred forty-four thousand, three hundred forty-three".

Divisors: 1 3 714781 2144343