Base | Representation |
---|---|
bin | 11010110011100… |
… | …00110101010100 |
3 | 120200002221101220 |
4 | 31121300311110 |
5 | 430030414203 |
6 | 34151250340 |
7 | 5400154005 |
oct | 1531606524 |
9 | 520087356 |
10 | 224857428 |
11 | 105a20794 |
12 | 633799b0 |
13 | 3777b643 |
14 | 21c131ac |
15 | 14b19653 |
hex | d670d54 |
224857428 has 12 divisors (see below), whose sum is σ = 524667360. Its totient is φ = 74952472.
The previous prime is 224857417. The next prime is 224857433. The reversal of 224857428 is 824758422.
224857428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 224857428.
It is a congruent number.
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, 9369048 + ... + 9369071.
It is an arithmetic number, because the mean of its divisors is an integer number (43722280).
Almost surely, 2224857428 is an apocalyptic number.
It is an amenable number.
224857428 is an abundant number, since it is smaller than the sum of its proper divisors (299809932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
224857428 is a wasteful number, since it uses less digits than its factorization.
224857428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18738126 (or 18738124 counting only the distinct ones).
The product of its digits is 286720, while the sum is 42.
The square root of 224857428 is about 14995.2468469179. The cubic root of 224857428 is about 608.0917054943.
The spelling of 224857428 in words is "two hundred twenty-four million, eight hundred fifty-seven thousand, four hundred twenty-eight".
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