Base | Representation |
---|---|
bin | 10010001110101… |
… | …001100010100101 |
3 | 210022110202222000 |
4 | 102032221202211 |
5 | 1111243030203 |
6 | 50202555513 |
7 | 10402340544 |
oct | 2216514245 |
9 | 708422860 |
10 | 305830053 |
11 | 1476a6711 |
12 | 86508b99 |
13 | 4b48c639 |
14 | 2c89015b |
15 | 1bcb14a3 |
hex | 123a98a5 |
305830053 has 8 divisors (see below), whose sum is σ = 453081600. Its totient is φ = 203886684.
The previous prime is 305830043. The next prime is 305830079. The reversal of 305830053 is 350038503.
305830053 is a `hidden beast` number, since 30 + 583 + 0 + 0 + 53 = 666.
It is not a de Polignac number, because 305830053 - 24 = 305830037 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11327039 = 305830053 / (3 + 0 + 5 + 8 + 3 + 0 + 0 + 5 + 3).
It is a junction number, because it is equal to n+sod(n) for n = 305829999 and 305830026.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (305830013) 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 7 ways as a sum of consecutive naturals, for example, 5663493 + ... + 5663546.
It is an arithmetic number, because the mean of its divisors is an integer number (56635200).
Almost surely, 2305830053 is an apocalyptic number.
It is an amenable number.
305830053 is a deficient number, since it is larger than the sum of its proper divisors (147251547).
305830053 is a wasteful number, since it uses less digits than its factorization.
305830053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11327048 (or 11327042 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The square root of 305830053 is about 17487.9973982157. The cubic root of 305830053 is about 673.7416358077.
Adding to 305830053 its reverse (350038503), we get a palindrome (655868556).
The spelling of 305830053 in words is "three hundred five million, eight hundred thirty thousand, fifty-three".
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