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2855343 = 3951781
BaseRepresentation
bin1010111001000110101111
312101001210110
422321012233
51212332333
6141111103
733161421
oct12710657
95331713
102855343
111680297
12b58493
1378c86a
14544811
153b6063
hex2b91af

2855343 has 4 divisors (see below), whose sum is σ = 3807128. Its totient is φ = 1903560.

The previous prime is 2855323. The next prime is 2855353. The reversal of 2855343 is 3435582.

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

It is a de Polignac number, because none of the positive numbers 2k-2855343 is a prime.

It is a D-number.

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 2855343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855323) 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, 475888 + ... + 475893.

It is an arithmetic number, because the mean of its divisors is an integer number (951782).

22855343 is an apocalyptic number.

2855343 is a deficient number, since it is larger than the sum of its proper divisors (951785).

2855343 is an equidigital number, since it uses as much as digits as its factorization.

2855343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951784.

The product of its digits is 14400, while the sum is 30.

The square root of 2855343 is about 1689.7760206607. The cubic root of 2855343 is about 141.8685386514.

The spelling of 2855343 in words is "two million, eight hundred fifty-five thousand, three hundred forty-three".

Divisors: 1 3 951781 2855343