Base | Representation |
---|---|
bin | 111001110011… |
… | …0001100100100 |
3 | 2010000112220210 |
4 | 1303212030210 |
5 | 30224144022 |
6 | 3001255420 |
7 | 515366655 |
oct | 163461444 |
9 | 63015823 |
10 | 30303012 |
11 | 16118113 |
12 | a194570 |
13 | 637cb9c |
14 | 404b52c |
15 | 29d8a0c |
hex | 1ce6324 |
30303012 has 24 divisors (see below), whose sum is σ = 71396416. Its totient is φ = 10002528.
The previous prime is 30303011. The next prime is 30303017. The reversal of 30303012 is 21030303.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (30303011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11023 + ... + 13494.
Almost surely, 230303012 is an apocalyptic number.
It is an amenable number.
30303012 is an abundant number, since it is smaller than the sum of its proper divisors (41093404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30303012 is a wasteful number, since it uses less digits than its factorization.
30303012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24627 (or 24625 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 12.
The square root of 30303012 is about 5504.8171631763. The cubic root of 30303012 is about 311.7658911130.
Adding to 30303012 its reverse (21030303), we get a palindrome (51333315).
It can be divided in two parts, 3030301 and 2, that added together give a palindrome (3030303).
The spelling of 30303012 in words is "thirty million, three hundred three thousand, twelve".
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