Base | Representation |
---|---|
bin | 11010101000100… |
… | …01111011101101 |
3 | 120120101220211001 |
4 | 31110101323231 |
5 | 424143421031 |
6 | 34100400301 |
7 | 5352016450 |
oct | 1524217355 |
9 | 516356731 |
10 | 223420141 |
11 | 10512994a |
12 | 629a6091 |
13 | 37397389 |
14 | 2195b497 |
15 | 14933861 |
hex | d511eed |
223420141 has 4 divisors (see below), whose sum is σ = 255337312. Its totient is φ = 191502972.
The previous prime is 223420139. The next prime is 223420151. The reversal of 223420141 is 141024322.
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 223420141 - 21 = 223420139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223420151) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15958575 + ... + 15958588.
It is an arithmetic number, because the mean of its divisors is an integer number (63834328).
Almost surely, 2223420141 is an apocalyptic number.
It is an amenable number.
223420141 is a deficient number, since it is larger than the sum of its proper divisors (31917171).
223420141 is an equidigital number, since it uses as much as digits as its factorization.
223420141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31917170.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 223420141 is about 14947.2452645964. The cubic root of 223420141 is about 606.7932958643.
Adding to 223420141 its reverse (141024322), we get a palindrome (364444463).
The spelling of 223420141 in words is "two hundred twenty-three million, four hundred twenty thousand, one hundred forty-one".
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