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2168103 = 37543
BaseRepresentation
bin1000010001010100100111
311002011002010
420101110213
51023334403
6114245303
724300000
oct10212447
94064063
102168103
111250a23
12886833
135abb02
144061a7
152cc603
hex211527

2168103 has 24 divisors (see below), whose sum is σ = 3451008. Its totient is φ = 1210104.

The previous prime is 2168093. The next prime is 2168107. The reversal of 2168103 is 3018612.

It is not a de Polignac number, because 2168103 - 210 = 2167079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2168103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50400 + ... + 50442.

It is an arithmetic number, because the mean of its divisors is an integer number (143792).

22168103 is an apocalyptic number.

2168103 is a deficient number, since it is larger than the sum of its proper divisors (1282905).

2168103 is an frugal number, since it uses more digits than its factorization.

2168103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2168103 is about 1472.4479617290. The cubic root of 2168103 is about 129.4275221414.

The spelling of 2168103 in words is "two million, one hundred sixty-eight thousand, one hundred three".

Divisors: 1 3 7 21 43 49 129 147 301 343 903 1029 2107 2401 6321 7203 14749 16807 44247 50421 103243 309729 722701 2168103