Base | Representation |
---|---|
bin | 11011011010110… |
… | …11000101001100 |
3 | 121000210210001210 |
4 | 31231123011030 |
5 | 432340324322 |
6 | 34453534420 |
7 | 5462030424 |
oct | 1555330514 |
9 | 530723053 |
10 | 230011212 |
11 | 108920912 |
12 | 65044410 |
13 | 38864412 |
14 | 22795484 |
15 | 152d670c |
hex | db5b14c |
230011212 has 12 divisors (see below), whose sum is σ = 536692856. Its totient is φ = 76670400.
The previous prime is 230011183. The next prime is 230011219. The reversal of 230011212 is 212110032.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 19167601 = 230011212 / (2 + 3 + 0 + 0 + 1 + 1 + 2 + 1 + 2).
It is not an unprimeable number, because it can be changed into a prime (230011219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9583789 + ... + 9583812.
Almost surely, 2230011212 is an apocalyptic number.
It is an amenable number.
230011212 is an abundant number, since it is smaller than the sum of its proper divisors (306681644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230011212 is a wasteful number, since it uses less digits than its factorization.
230011212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19167608 (or 19167606 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 230011212 is about 15166.1205322917. The cubic root of 230011212 is about 612.7025231713.
Adding to 230011212 its reverse (212110032), we get a palindrome (442121244).
The spelling of 230011212 in words is "two hundred thirty million, eleven thousand, two hundred twelve".
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