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2112925 = 52223379
BaseRepresentation
bin1000000011110110011101
310222100101111
420003312131
51020103200
6113142021
723650063
oct10036635
93870344
102112925
111213521
1285a911
1358c969
143d0033
152bb0ba
hex203d9d

2112925 has 12 divisors (see below), whose sum is σ = 2638720. Its totient is φ = 1678320.

The previous prime is 2112923. The next prime is 2112937. The reversal of 2112925 is 5292112.

2112925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2112925 - 21 = 2112923 is a prime.

2112925 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2112896 and 2112905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112923) 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 11 ways as a sum of consecutive naturals, for example, 5386 + ... + 5764.

22112925 is an apocalyptic number.

2112925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112925 is a deficient number, since it is larger than the sum of its proper divisors (525795).

2112925 is a wasteful number, since it uses less digits than its factorization.

2112925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 607 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 2112925 is about 1453.5903824668. The cubic root of 2112925 is about 128.3201013325.

It can be divided in two parts, 211 and 2925, that added together give a square (3136 = 562).

The spelling of 2112925 in words is "two million, one hundred twelve thousand, nine hundred twenty-five".

Divisors: 1 5 25 223 379 1115 1895 5575 9475 84517 422585 2112925