Base | Representation |
---|---|
bin | 111001011100… |
… | …1000110110101 |
3 | 2002200011120112 |
4 | 1302321012311 |
5 | 30202241300 |
6 | 2553312405 |
7 | 514000346 |
oct | 162710665 |
9 | 62604515 |
10 | 30118325 |
11 | 16001386 |
12 | a105705 |
13 | 6316ac3 |
14 | 40000cd |
15 | 299de35 |
hex | 1cb91b5 |
30118325 has 24 divisors (see below), whose sum is σ = 39655200. Its totient is φ = 22628160.
The previous prime is 30118303. The next prime is 30118331. The reversal of 30118325 is 52381103.
It is not a de Polignac number, because 30118325 - 218 = 29856181 is a prime.
It is a super-2 number, since 2×301183252 = 1814227001611250, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30118325.
It is a congruent number.
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, 77231 + ... + 77619.
It is an arithmetic number, because the mean of its divisors is an integer number (1652300).
Almost surely, 230118325 is an apocalyptic number.
It is an amenable number.
30118325 is a deficient number, since it is larger than the sum of its proper divisors (9536875).
30118325 is a wasteful number, since it uses less digits than its factorization.
30118325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 581 (or 576 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 30118325 is about 5488.0164905000. The cubic root of 30118325 is about 311.1312294482.
Adding to 30118325 its reverse (52381103), we get a palindrome (82499428).
The spelling of 30118325 in words is "thirty million, one hundred eighteen thousand, three hundred twenty-five".
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