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2268129 = 3756043
BaseRepresentation
bin1000101001101111100001
311021020021210
420221233201
51040040004
6120340333
725164423
oct10515741
94236253
102268129
11130a096
129146a9
136154b6
14430813
152ec089
hex229be1

2268129 has 4 divisors (see below), whose sum is σ = 3024176. Its totient is φ = 1512084.

The previous prime is 2268103. The next prime is 2268131. The reversal of 2268129 is 9218622.

2268129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2268129 - 27 = 2268001 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2268096 and 2268105.

It is not an unprimeable number, because it can be changed into a prime (2268139) 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 3 ways as a sum of consecutive naturals, for example, 378019 + ... + 378024.

It is an arithmetic number, because the mean of its divisors is an integer number (756044).

22268129 is an apocalyptic number.

It is an amenable number.

2268129 is a deficient number, since it is larger than the sum of its proper divisors (756047).

2268129 is an equidigital number, since it uses as much as digits as its factorization.

2268129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756046.

The product of its digits is 3456, while the sum is 30.

The square root of 2268129 is about 1506.0308761775. The cubic root of 2268129 is about 131.3880651457.

The spelling of 2268129 in words is "two million, two hundred sixty-eight thousand, one hundred twenty-nine".

Divisors: 1 3 756043 2268129