Base | Representation |
---|---|
bin | 10011100110100… |
… | …00000011001110 |
3 | 102110101220121010 |
4 | 21303100003032 |
5 | 314043230110 |
6 | 24152150050 |
7 | 4034426562 |
oct | 1163200316 |
9 | 373356533 |
10 | 164430030 |
11 | 848a8796 |
12 | 47098326 |
13 | 280b1c9b |
14 | 17ba36a2 |
15 | e680020 |
hex | 9cd00ce |
164430030 has 32 divisors (see below), whose sum is σ = 395132544. Its totient is φ = 43792416.
The previous prime is 164430023. The next prime is 164430041. The reversal of 164430030 is 30034461.
It is a super-3 number, since 3×1644300303 (a number of 26 digits) contains 333 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 164429979 and 164430006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24189 + ... + 30231.
It is an arithmetic number, because the mean of its divisors is an integer number (12347892).
Almost surely, 2164430030 is an apocalyptic number.
164430030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
164430030 is an abundant number, since it is smaller than the sum of its proper divisors (230702514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164430030 is a wasteful number, since it uses less digits than its factorization.
164430030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6960.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 164430030 is about 12823.0273336681. The cubic root of 164430030 is about 547.8483760992.
Adding to 164430030 its reverse (30034461), we get a palindrome (194464491).
The spelling of 164430030 in words is "one hundred sixty-four million, four hundred thirty thousand, thirty".
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