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2271125 = 5318169
BaseRepresentation
bin1000101010011110010101
311021101101202
420222132111
51040134000
6120402245
725206233
oct10523625
94241352
102271125
11131136a
12916385
1361697c
14431953
152ecdd5
hex22a795

2271125 has 8 divisors (see below), whose sum is σ = 2834520. Its totient is φ = 1816800.

The previous prime is 2271119. The next prime is 2271133. The reversal of 2271125 is 5211722.

2271125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 361201 + 1909924 = 601^2 + 1382^2 .

It is not a de Polignac number, because 2271125 - 212 = 2267029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2271097 and 2271106.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8960 + ... + 9209.

It is an arithmetic number, because the mean of its divisors is an integer number (354315).

22271125 is an apocalyptic number.

2271125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2271125 is a deficient number, since it is larger than the sum of its proper divisors (563395).

2271125 is an equidigital number, since it uses as much as digits as its factorization.

2271125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18184 (or 18174 counting only the distinct ones).

The product of its digits is 280, while the sum is 20.

The square root of 2271125 is about 1507.0252154493. The cubic root of 2271125 is about 131.4458904061.

Adding to 2271125 its reverse (5211722), we get a palindrome (7482847).

The spelling of 2271125 in words is "two million, two hundred seventy-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 18169 90845 454225 2271125