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2642893 = 11240263
BaseRepresentation
bin1010000101001111001101
311222021100221
422011033031
51134033033
6132351341
731315141
oct12051715
94867327
102642893
111545710
12a75551
13716c56
144cb221
1537312d
hex2853cd

2642893 has 4 divisors (see below), whose sum is σ = 2883168. Its totient is φ = 2402620.

The previous prime is 2642891. The next prime is 2642897. The reversal of 2642893 is 3982462.

2642893 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2642893 - 21 = 2642891 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642891) 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, 120121 + ... + 120142.

It is an arithmetic number, because the mean of its divisors is an integer number (720792).

22642893 is an apocalyptic number.

It is an amenable number.

2642893 is a deficient number, since it is larger than the sum of its proper divisors (240275).

2642893 is a wasteful number, since it uses less digits than its factorization.

2642893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240274.

The product of its digits is 20736, while the sum is 34.

The square root of 2642893 is about 1625.6976963753. The cubic root of 2642893 is about 138.2589306514.

The spelling of 2642893 in words is "two million, six hundred forty-two thousand, eight hundred ninety-three".

Divisors: 1 11 240263 2642893