Base | Representation |
---|---|
bin | 11010100101110… |
… | …00100100101001 |
3 | 120112201022201202 |
4 | 31102320210221 |
5 | 424100212441 |
6 | 34044453545 |
7 | 5345633363 |
oct | 1522704451 |
9 | 515638652 |
10 | 223054121 |
11 | 1049a9954 |
12 | 6284a2b5 |
13 | 372998b4 |
14 | 218a3d33 |
15 | 148b019b |
hex | d4b8929 |
223054121 has 4 divisors (see below), whose sum is σ = 223124112. Its totient is φ = 222984132.
The previous prime is 223054079. The next prime is 223054133. The reversal of 223054121 is 121450322.
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 a cyclic number.
It is not a de Polignac number, because 223054121 - 218 = 222791977 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 223054093 and 223054102.
It is not an unprimeable number, because it can be changed into a prime (223054141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29975 + ... + 36668.
It is an arithmetic number, because the mean of its divisors is an integer number (55781028).
Almost surely, 2223054121 is an apocalyptic number.
It is an amenable number.
223054121 is a deficient number, since it is larger than the sum of its proper divisors (69991).
223054121 is an equidigital number, since it uses as much as digits as its factorization.
223054121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69990.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 223054121 is about 14934.9965182453. The cubic root of 223054121 is about 606.4617532728.
The spelling of 223054121 in words is "two hundred twenty-three million, fifty-four thousand, one hundred twenty-one".
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