Base | Representation |
---|---|
bin | 11010101001101… |
… | …10101011110000 |
3 | 120120200120022021 |
4 | 31110312223300 |
5 | 424213230142 |
6 | 34103521224 |
7 | 5353214353 |
oct | 1524665360 |
9 | 516616267 |
10 | 223570672 |
11 | 105221a56 |
12 | 62a59214 |
13 | 3741aa50 |
14 | 2199a29a |
15 | 14963267 |
hex | d536af0 |
223570672 has 80 divisors (see below), whose sum is σ = 515592000. Its totient is φ = 92860416.
The previous prime is 223570651. The next prime is 223570679. The reversal of 223570672 is 276075322.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223570679) 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, 79954 + ... + 82702.
It is an arithmetic number, because the mean of its divisors is an integer number (6444900).
Almost surely, 2223570672 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223570672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257796000).
223570672 is an abundant number, since it is smaller than the sum of its proper divisors (292021328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223570672 is a wasteful number, since it uses less digits than its factorization.
223570672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2810 (or 2804 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 34.
The square root of 223570672 is about 14952.2798261670. The cubic root of 223570672 is about 606.9295424518.
The spelling of 223570672 in words is "two hundred twenty-three million, five hundred seventy thousand, six hundred seventy-two".
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