Base | Representation |
---|---|
bin | 11010100111101… |
… | …00010101000001 |
3 | 120120011202110221 |
4 | 31103310111001 |
5 | 424131031011 |
6 | 34054023041 |
7 | 5351003101 |
oct | 1523642501 |
9 | 516152427 |
10 | 223298881 |
11 | 105056833 |
12 | 62947a81 |
13 | 37354120 |
14 | 21929201 |
15 | 1490c971 |
hex | d4f4541 |
223298881 has 16 divisors (see below), whose sum is σ = 251629056. Its totient is φ = 196612416.
The previous prime is 223298863. The next prime is 223298917. The reversal of 223298881 is 188892322.
It is not a de Polignac number, because 223298881 - 219 = 222774593 is a prime.
It is a super-2 number, since 2×2232988812 = 99724780511704322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223298861) 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 15 ways as a sum of consecutive naturals, for example, 137631 + ... + 139243.
It is an arithmetic number, because the mean of its divisors is an integer number (15726816).
Almost surely, 2223298881 is an apocalyptic number.
It is an amenable number.
223298881 is a deficient number, since it is larger than the sum of its proper divisors (28330175).
223298881 is a wasteful number, since it uses less digits than its factorization.
223298881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2112.
The product of its digits is 110592, while the sum is 43.
The square root of 223298881 is about 14943.1884482529. The cubic root of 223298881 is about 606.6834981376.
The spelling of 223298881 in words is "two hundred twenty-three million, two hundred ninety-eight thousand, eight hundred eighty-one".
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