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2113875 = 32531879
BaseRepresentation
bin1000000100000101010011
310222101200200
420010011103
51020121000
6113150243
723652621
oct10040523
93871620
102113875
111214205
1285b383
1359021a
143d0511
152bb500
hex204153

2113875 has 24 divisors (see below), whose sum is σ = 3812640. Its totient is φ = 1126800.

The previous prime is 2113873. The next prime is 2113879. The reversal of 2113875 is 5783112.

It is not a de Polignac number, because 2113875 - 21 = 2113873 is a prime.

2113875 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186 + ... + 2064.

It is an arithmetic number, because the mean of its divisors is an integer number (158860).

22113875 is an apocalyptic number.

2113875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2113875 is a deficient number, since it is larger than the sum of its proper divisors (1698765).

2113875 is a wasteful number, since it uses less digits than its factorization.

2113875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1887 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 2113875 is about 1453.9171228100. The cubic root of 2113875 is about 128.3393299422.

Adding to 2113875 its reverse (5783112), we get a palindrome (7896987).

The spelling of 2113875 in words is "two million, one hundred thirteen thousand, eight hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 1879 5637 9395 16911 28185 46975 84555 140925 234875 422775 704625 2113875