Base | Representation |
---|---|
bin | 11010101000101… |
… | …11001000001100 |
3 | 120120110000000011 |
4 | 31110113020030 |
5 | 424200111140 |
6 | 34101043004 |
7 | 5352135466 |
oct | 1524271014 |
9 | 516400004 |
10 | 223441420 |
11 | 105143934 |
12 | 629b6464 |
13 | 373a3c77 |
14 | 21965136 |
15 | 14939cea |
hex | d51720c |
223441420 has 12 divisors (see below), whose sum is σ = 469227024. Its totient is φ = 89376560.
The previous prime is 223441417. The next prime is 223441453. The reversal of 223441420 is 24144322.
It is a happy number.
It is a super-3 number, since 3×2234414203 (a number of 26 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 223441391 and 223441400.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5586016 + ... + 5586055.
It is an arithmetic number, because the mean of its divisors is an integer number (39102252).
Almost surely, 2223441420 is an apocalyptic number.
223441420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223441420 is an abundant number, since it is smaller than the sum of its proper divisors (245785604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223441420 is a wasteful number, since it uses less digits than its factorization.
223441420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11172080 (or 11172078 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 223441420 is about 14947.9570510488. The cubic root of 223441420 is about 606.8125593389.
Adding to 223441420 its reverse (24144322), we get a palindrome (247585742).
The spelling of 223441420 in words is "two hundred twenty-three million, four hundred forty-one thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •