Base | Representation |
---|---|
bin | 111001011111… |
… | …1011011000011 |
3 | 2002201111001200 |
4 | 1302333123003 |
5 | 30204103240 |
6 | 2554032243 |
7 | 514135644 |
oct | 162773303 |
9 | 62644050 |
10 | 30144195 |
11 | 16019864 |
12 | a118683 |
13 | 6325803 |
14 | 40096cb |
15 | 29a6930 |
hex | 1cbf6c3 |
30144195 has 24 divisors (see below), whose sum is σ = 54054000. Its totient is φ = 15521856.
The previous prime is 30144181. The next prime is 30144197. The reversal of 30144195 is 59144103.
It is not a de Polignac number, because 30144195 - 26 = 30144131 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30144197) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10245 + ... + 12854.
It is an arithmetic number, because the mean of its divisors is an integer number (2252250).
Almost surely, 230144195 is an apocalyptic number.
30144195 is a deficient number, since it is larger than the sum of its proper divisors (23909805).
30144195 is a wasteful number, since it uses less digits than its factorization.
30144195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23139 (or 23136 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 30144195 is about 5490.3729381527. The cubic root of 30144195 is about 311.2202855458.
Adding to 30144195 its reverse (59144103), we get a palindrome (89288298).
The spelling of 30144195 in words is "thirty million, one hundred forty-four thousand, one hundred ninety-five".
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