Base | Representation |
---|---|
bin | 111001110101… |
… | …0010110011000 |
3 | 2010001102020212 |
4 | 1303222112120 |
5 | 30230220044 |
6 | 3001510252 |
7 | 515500400 |
oct | 163522630 |
9 | 63042225 |
10 | 30320024 |
11 | 16129979 |
12 | a1a2388 |
13 | 6387857 |
14 | 4053800 |
15 | 29dda9e |
hex | 1cea598 |
30320024 has 24 divisors (see below), whose sum is σ = 66132540. Its totient is φ = 12994128.
The previous prime is 30320023. The next prime is 30320071. The reversal of 30320024 is 42002303.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 30319990 and 30320008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30320021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38282 + ... + 39065.
Almost surely, 230320024 is an apocalyptic number.
It is an amenable number.
30320024 is an abundant number, since it is smaller than the sum of its proper divisors (35812516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30320024 is a wasteful number, since it uses less digits than its factorization.
30320024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77367 (or 77356 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 14.
The square root of 30320024 is about 5506.3621384722. The cubic root of 30320024 is about 311.8242216088.
Adding to 30320024 its reverse (42002303), we get a palindrome (72322327).
The spelling of 30320024 in words is "thirty million, three hundred twenty thousand, twenty-four".
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