Base | Representation |
---|---|
bin | 11010110010011… |
… | …11111111000000 |
3 | 120122212002211122 |
4 | 31121033333000 |
5 | 430012113010 |
6 | 34144331412 |
7 | 5366053514 |
oct | 1531177700 |
9 | 518762748 |
10 | 224722880 |
11 | 105939698 |
12 | 63313b68 |
13 | 37732325 |
14 | 21bba144 |
15 | 14ade855 |
hex | d64ffc0 |
224722880 has 112 divisors (see below), whose sum is σ = 588142080. Its totient is φ = 81404928.
The previous prime is 224722873. The next prime is 224722889. The reversal of 224722880 is 88227422.
It is a self number, because there is not a number n which added to its sum of digits gives 224722880.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (224722889) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139037 + ... + 140643.
Almost surely, 2224722880 is an apocalyptic number.
224722880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 224722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294071040).
224722880 is an abundant number, since it is smaller than the sum of its proper divisors (363419200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
224722880 is a wasteful number, since it uses less digits than its factorization.
224722880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1666 (or 1656 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 35.
The square root of 224722880 is about 14990.7598206362. The cubic root of 224722880 is about 607.9703932952.
It can be divided in two parts, 22472 and 2880, that added together give a palindrome (25352).
The spelling of 224722880 in words is "two hundred twenty-four million, seven hundred twenty-two thousand, eight hundred eighty".
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