Base | Representation |
---|---|
bin | 11010101000111… |
… | …00000001100000 |
3 | 120120111000111211 |
4 | 31110130001200 |
5 | 424201231342 |
6 | 34101315504 |
7 | 5352251113 |
oct | 1524340140 |
9 | 516430454 |
10 | 223461472 |
11 | 105157a03 |
12 | 62a05b94 |
13 | 373b0130 |
14 | 2196c57a |
15 | 14940c17 |
hex | d51c060 |
223461472 has 48 divisors (see below), whose sum is σ = 490145040. Its totient is φ = 99574272.
The previous prime is 223461461. The next prime is 223461479. The reversal of 223461472 is 274164322.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223461479) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2803 + ... + 21325.
It is an arithmetic number, because the mean of its divisors is an integer number (10211355).
Almost surely, 2223461472 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 223461472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245072520).
223461472 is an abundant number, since it is smaller than the sum of its proper divisors (266683568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223461472 is a wasteful number, since it uses less digits than its factorization.
223461472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18575 (or 18567 counting only the distinct ones).
The product of its digits is 16128, while the sum is 31.
The square root of 223461472 is about 14948.6277631092. The cubic root of 223461472 is about 606.8307109145.
The spelling of 223461472 in words is "two hundred twenty-three million, four hundred sixty-one thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •