Base | Representation |
---|---|
bin | 11010100111010… |
… | …00101101110000 |
3 | 120120002100020010 |
4 | 31103220231300 |
5 | 424123020222 |
6 | 34053014520 |
7 | 5350414314 |
oct | 1523505560 |
9 | 516070203 |
10 | 223251312 |
11 | 105024019 |
12 | 62924440 |
13 | 3733858b |
14 | 21915b44 |
15 | 148ed80c |
hex | d4e8b70 |
223251312 has 40 divisors (see below), whose sum is σ = 577355904. Its totient is φ = 74336704.
The previous prime is 223251299. The next prime is 223251323. The reversal of 223251312 is 213152322.
223251312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2232513123 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56803 + ... + 60605.
Almost surely, 2223251312 is an apocalyptic number.
It is an amenable number.
223251312 is an abundant number, since it is smaller than the sum of its proper divisors (354104592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223251312 is a wasteful number, since it uses less digits than its factorization.
223251312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5037 (or 5031 counting only the distinct ones).
The product of its digits is 720, while the sum is 21.
The square root of 223251312 is about 14941.5967018254. The cubic root of 223251312 is about 606.6404148095.
The spelling of 223251312 in words is "two hundred twenty-three million, two hundred fifty-one thousand, three hundred twelve".
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