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2123227 = 6134807
BaseRepresentation
bin1000000110010111011011
310222212112001
420012113123
51020420402
6113301431
724022111
oct10062733
93885461
102123227
111220237
12864877
13594562
143d3ab1
152be187
hex2065db

2123227 has 4 divisors (see below), whose sum is σ = 2158096. Its totient is φ = 2088360.

The previous prime is 2123213. The next prime is 2123237. The reversal of 2123227 is 7223212.

2123227 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2123227 is a prime.

It is a d-powerful number, because it can be written as 29 + 1 + 212 + 313 + 218 + 218 + 7 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123237) 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, 17343 + ... + 17464.

It is an arithmetic number, because the mean of its divisors is an integer number (539524).

22123227 is an apocalyptic number.

2123227 is a deficient number, since it is larger than the sum of its proper divisors (34869).

2123227 is an equidigital number, since it uses as much as digits as its factorization.

2123227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34868.

The product of its digits is 336, while the sum is 19.

The square root of 2123227 is about 1457.1297128259. The cubic root of 2123227 is about 128.5283136446.

Adding to 2123227 its reverse (7223212), we get a palindrome (9346439).

The spelling of 2123227 in words is "two million, one hundred twenty-three thousand, two hundred twenty-seven".

Divisors: 1 61 34807 2123227