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BaseRepresentation
bin111101000010011101111
310202121122012
413220103233
51003000421
6110511435
723000141
oct7502357
93677565
102000111
111146793
1280557b
135504c9
143a0c91
1529795b
hex1e84ef

2000111 has 4 divisors (see below), whose sum is σ = 2105400. Its totient is φ = 1894824.

The previous prime is 2000107. The next prime is 2000113. The reversal of 2000111 is 1110002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2000111 - 22 = 2000107 is a prime.

It is an Ulam number.

It is a Duffinian number.

2000111 is a modest number, since divided by 111 gives 2 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2000095 and 2000104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000113) 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, 52616 + ... + 52653.

It is an arithmetic number, because the mean of its divisors is an integer number (526350).

22000111 is an apocalyptic number.

2000111 is a deficient number, since it is larger than the sum of its proper divisors (105289).

2000111 is a wasteful number, since it uses less digits than its factorization.

2000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105288.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 2000111 is about 1414.2528062549. The cubic root of 2000111 is about 125.9944358003.

Adding to 2000111 its reverse (1110002), we get a palindrome (3110113).

Multiplying 2000111 by its reverse (1110002), we get a palindrome (2220127210222).

The spelling of 2000111 in words is "two million, one hundred eleven", and thus it is an aban number.

Divisors: 1 19 105269 2000111