Base | Representation |
---|---|
bin | 11010100110101… |
… | …00101111111010 |
3 | 120112221012001011 |
4 | 31103110233322 |
5 | 424112411110 |
6 | 34051144134 |
7 | 5346624013 |
oct | 1523245772 |
9 | 515835034 |
10 | 223169530 |
11 | 104a78631 |
12 | 628a504a |
13 | 3730a29c |
14 | 218d400a |
15 | 148d448a |
hex | d4d4bfa |
223169530 has 16 divisors (see below), whose sum is σ = 401959584. Its totient is φ = 89211280.
The previous prime is 223169509. The next prime is 223169539. The reversal of 223169530 is 35961322.
It is a super-3 number, since 3×2231695303 (a number of 26 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 223169492 and 223169501.
It is not an unprimeable number, because it can be changed into a prime (223169539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11949 + ... + 24271.
It is an arithmetic number, because the mean of its divisors is an integer number (25122474).
Almost surely, 2223169530 is an apocalyptic number.
223169530 is a deficient number, since it is larger than the sum of its proper divisors (178790054).
223169530 is a wasteful number, since it uses less digits than its factorization.
223169530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14141.
The product of its (nonzero) digits is 9720, while the sum is 31.
The square root of 223169530 is about 14938.8597289084. The cubic root of 223169530 is about 606.5663303988.
The spelling of 223169530 in words is "two hundred twenty-three million, one hundred sixty-nine thousand, five hundred thirty".
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