Base | Representation |
---|---|
bin | 1110100101011… |
… | …00111100110101 |
3 | 22112012200100102 |
4 | 13102230330311 |
5 | 222304440341 |
6 | 20050123445 |
7 | 3013620530 |
oct | 722547465 |
9 | 275180312 |
10 | 122343221 |
11 | 63072300 |
12 | 34b80585 |
13 | 1c467650 |
14 | 12369a17 |
15 | ab19c9b |
hex | 74acf35 |
122343221 has 48 divisors (see below), whose sum is σ = 170171904. Its totient is φ = 85536000.
The previous prime is 122343217. The next prime is 122343241.
122343221 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 122343221 - 22 = 122343217 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122343193 and 122343202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122343211) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451316 + ... + 451586.
It is an arithmetic number, because the mean of its divisors is an integer number (3545248).
Almost surely, 2122343221 is an apocalyptic number.
122343221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
122343221 is a deficient number, since it is larger than the sum of its proper divisors (47828683).
122343221 is a wasteful number, since it uses less digits than its factorization.
122343221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 354 (or 343 counting only the distinct ones).
The product of its digits is 576, while the sum is 20.
The square root of 122343221 is about 11060.8869897491. The cubic root of 122343221 is about 496.4322305950.
It can be divided in two parts, 1223 and 43221, that added together give a palindrome (44444).
The spelling of 122343221 in words is "one hundred twenty-two million, three hundred forty-three thousand, two hundred twenty-one".
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