Base | Representation |
---|---|
bin | 11010100110100… |
… | …11011011110000 |
3 | 120112220220122200 |
4 | 31103103123300 |
5 | 424112223034 |
6 | 34051103200 |
7 | 5346602220 |
oct | 1523233360 |
9 | 515826580 |
10 | 223164144 |
11 | 104a74585 |
12 | 628a1b00 |
13 | 373079b8 |
14 | 218d2080 |
15 | 148d2a99 |
hex | d4d36f0 |
223164144 has 60 divisors (see below), whose sum is σ = 713774256. Its totient is φ = 63760896.
The previous prime is 223164127. The next prime is 223164167. The reversal of 223164144 is 441461322.
It is a happy number.
It is a super-3 number, since 3×2231641443 (a number of 26 digits) contains 333 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109689 + ... + 111704.
Almost surely, 2223164144 is an apocalyptic number.
223164144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
223164144 is an abundant number, since it is smaller than the sum of its proper divisors (490610112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223164144 is a wasteful number, since it uses less digits than its factorization.
223164144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221414 (or 221405 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
The square root of 223164144 is about 14938.6794597113. The cubic root of 223164144 is about 606.5614507115.
The spelling of 223164144 in words is "two hundred twenty-three million, one hundred sixty-four thousand, one hundred forty-four".
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