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2109043 = 73167173
BaseRepresentation
bin1000000010111001110011
310222011001201
420002321303
51014442133
6113112031
723632546
oct10027163
93864051
102109043
111210612
12858617
1358ac71
143cc85d
152b9d7d
hex202e73

2109043 has 8 divisors (see below), whose sum is σ = 2163168. Its totient is φ = 2055744.

The previous prime is 2109013. The next prime is 2109049. The reversal of 2109043 is 3409012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2109043 - 25 = 2109011 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 2109043.

It is not an unprimeable number, because it can be changed into a prime (2109049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12105 + ... + 12277.

It is an arithmetic number, because the mean of its divisors is an integer number (270396).

22109043 is an apocalyptic number.

2109043 is a deficient number, since it is larger than the sum of its proper divisors (54125).

2109043 is a wasteful number, since it uses less digits than its factorization.

2109043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2109043 is about 1452.2544542882. The cubic root of 2109043 is about 128.2414672090.

The spelling of 2109043 in words is "two million, one hundred nine thousand, forty-three".

Divisors: 1 73 167 173 12191 12629 28891 2109043