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2182117 = 7244533
BaseRepresentation
bin1000010100101111100101
311002212022011
420110233211
51024311432
6114434221
724355600
oct10245745
94085264
102182117
111260503
12892971
135b52c2
1440b337
152d1847
hex214be5

2182117 has 6 divisors (see below), whose sum is σ = 2538438. Its totient is φ = 1870344.

The previous prime is 2182109. The next prime is 2182129. The reversal of 2182117 is 7112812.

2182117 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 only one way, i.e., 1920996 + 261121 = 1386^2 + 511^2 .

It is not a de Polignac number, because 2182117 - 23 = 2182109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182177) 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 5 ways as a sum of consecutive naturals, for example, 22218 + ... + 22315.

It is an arithmetic number, because the mean of its divisors is an integer number (423073).

22182117 is an apocalyptic number.

It is an amenable number.

2182117 is a deficient number, since it is larger than the sum of its proper divisors (356321).

2182117 is an equidigital number, since it uses as much as digits as its factorization.

2182117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44547 (or 44540 counting only the distinct ones).

The product of its digits is 224, while the sum is 22.

The square root of 2182117 is about 1477.1990387216. The cubic root of 2182117 is about 129.7057843384.

Adding to 2182117 its reverse (7112812), we get a palindrome (9294929).

The spelling of 2182117 in words is "two million, one hundred eighty-two thousand, one hundred seventeen".

Divisors: 1 7 49 44533 311731 2182117