Base | Representation |
---|---|
bin | 1110010110000… |
… | …00010001100101 |
3 | 22101102011011200 |
4 | 13023000101211 |
5 | 221300401341 |
6 | 15534553113 |
7 | 2660514252 |
oct | 713002145 |
9 | 271364150 |
10 | 120325221 |
11 | 61a14135 |
12 | 34368799 |
13 | 1bc0bc73 |
14 | 11da2429 |
15 | a86bdb6 |
hex | 72c0465 |
120325221 has 12 divisors (see below), whose sum is σ = 178500972. Its totient is φ = 78048576.
The previous prime is 120325207. The next prime is 120325237. The reversal of 120325221 is 122523021.
120325221 is a `hidden beast` number, since 120 + 325 + 221 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 53494596 + 66830625 = 7314^2 + 8175^2 .
It is not a de Polignac number, because 120325221 - 218 = 120063077 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120325194 and 120325203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120325421) 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 11 ways as a sum of consecutive naturals, for example, 180336 + ... + 181001.
It is an arithmetic number, because the mean of its divisors is an integer number (14875081).
Almost surely, 2120325221 is an apocalyptic number.
It is an amenable number.
120325221 is a deficient number, since it is larger than the sum of its proper divisors (58175751).
120325221 is a wasteful number, since it uses less digits than its factorization.
120325221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361380 (or 361377 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 120325221 is about 10969.2853459102. The cubic root of 120325221 is about 493.6876040151.
Adding to 120325221 its reverse (122523021), we get a palindrome (242848242).
The spelling of 120325221 in words is "one hundred twenty million, three hundred twenty-five thousand, two hundred twenty-one".
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