Base | Representation |
---|---|
bin | 111001111010… |
… | …0001001011011 |
3 | 2010010110022012 |
4 | 1303310021123 |
5 | 30233011110 |
6 | 3002420135 |
7 | 516025400 |
oct | 163641133 |
9 | 63113265 |
10 | 30360155 |
11 | 16157041 |
12 | a20164b |
13 | 639cbb7 |
14 | 40642a7 |
15 | 29ea905 |
hex | 1cf425b |
30360155 has 24 divisors (see below), whose sum is σ = 42919632. Its totient is φ = 20553792.
The previous prime is 30360139. The next prime is 30360163. The reversal of 30360155 is 55106303.
It is not a de Polignac number, because 30360155 - 24 = 30360139 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30360155.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19589 + ... + 21081.
It is an arithmetic number, because the mean of its divisors is an integer number (1788318).
Almost surely, 230360155 is an apocalyptic number.
30360155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30360155 is a deficient number, since it is larger than the sum of its proper divisors (12559477).
30360155 is a wasteful number, since it uses less digits than its factorization.
30360155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1595 (or 1588 counting only the distinct ones).
The product of its (nonzero) digits is 1350, while the sum is 23.
The square root of 30360155 is about 5510.0049909233. The cubic root of 30360155 is about 311.9617358016.
Adding to 30360155 its reverse (55106303), we get a palindrome (85466458).
The spelling of 30360155 in words is "thirty million, three hundred sixty thousand, one hundred fifty-five".
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