Base | Representation |
---|---|
bin | 10010001011110… |
… | …111100100011101 |
3 | 210021002202000012 |
4 | 102023313210131 |
5 | 1111101213320 |
6 | 50135213005 |
7 | 10363213352 |
oct | 2213674435 |
9 | 707082005 |
10 | 305101085 |
11 | 147248a63 |
12 | 86217165 |
13 | 4b2958b3 |
14 | 2c740629 |
15 | 1bbba4c5 |
hex | 122f791d |
305101085 has 8 divisors (see below), whose sum is σ = 366296280. Its totient is φ = 243964224.
The previous prime is 305101079. The next prime is 305101099. The reversal of 305101085 is 580101503.
It can be written as a sum of positive squares in 4 ways, for example, as 29441476 + 275659609 = 5426^2 + 16603^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 305101085 - 212 = 305096989 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 305101085.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102 + ... + 24791.
It is an arithmetic number, because the mean of its divisors is an integer number (45787035).
Almost surely, 2305101085 is an apocalyptic number.
It is an amenable number.
305101085 is a deficient number, since it is larger than the sum of its proper divisors (61195195).
305101085 is a wasteful number, since it uses less digits than its factorization.
305101085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29167.
The product of its (nonzero) digits is 600, while the sum is 23.
The square root of 305101085 is about 17467.1430119525. The cubic root of 305101085 is about 673.2059059964.
Adding to 305101085 its reverse (580101503), we get a palindrome (885202588).
The spelling of 305101085 in words is "three hundred five million, one hundred one thousand, eighty-five".
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