Base | Representation |
---|---|
bin | 111001110101… |
… | …1100111000001 |
3 | 2010001200100000 |
4 | 1303223213001 |
5 | 30230401220 |
6 | 3001550213 |
7 | 515521422 |
oct | 163534701 |
9 | 63050300 |
10 | 30325185 |
11 | 16132840 |
12 | a1a5369 |
13 | 6389cc7 |
14 | 4055649 |
15 | 29e0390 |
hex | 1ceb9c1 |
30325185 has 48 divisors (see below), whose sum is σ = 59492160. Its totient is φ = 14696640.
The previous prime is 30325151. The next prime is 30325189. The reversal of 30325185 is 58152303.
It is not a de Polignac number, because 30325185 - 28 = 30324929 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30325189) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12231 + ... + 14499.
It is an arithmetic number, because the mean of its divisors is an integer number (1239420).
Almost surely, 230325185 is an apocalyptic number.
It is an amenable number.
30325185 is a deficient number, since it is larger than the sum of its proper divisors (29166975).
30325185 is a wasteful number, since it uses less digits than its factorization.
30325185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2300 (or 2288 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 30325185 is about 5506.8307582492. The cubic root of 30325185 is about 311.8419132560.
Adding to 30325185 its reverse (58152303), we get a palindrome (88477488).
The spelling of 30325185 in words is "thirty million, three hundred twenty-five thousand, one hundred eighty-five".
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