Base | Representation |
---|---|
bin | 11010100110100… |
… | …11100010011010 |
3 | 120112220221020110 |
4 | 31103103202122 |
5 | 424112231240 |
6 | 34051105150 |
7 | 5346603366 |
oct | 1523234232 |
9 | 515827213 |
10 | 223164570 |
11 | 104a74932 |
12 | 628a21b6 |
13 | 37307c55 |
14 | 218d22a6 |
15 | 148d2c80 |
hex | d4d389a |
223164570 has 64 divisors (see below), whose sum is σ = 557280000. Its totient is φ = 57125376.
The previous prime is 223164553. The next prime is 223164583. The reversal of 223164570 is 75461322.
223164570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2231645703 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172486 + ... + 173774.
It is an arithmetic number, because the mean of its divisors is an integer number (8707500).
Almost surely, 2223164570 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223164570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278640000).
223164570 is an abundant number, since it is smaller than the sum of its proper divisors (334115430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223164570 is a wasteful number, since it uses less digits than its factorization.
223164570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1527.
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 223164570 is about 14938.6937179929. The cubic root of 223164570 is about 606.5618366681.
The spelling of 223164570 in words is "two hundred twenty-three million, one hundred sixty-four thousand, five hundred seventy".
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