Base | Representation |
---|---|
bin | 10010001011111… |
… | …000100010100100 |
3 | 210021002221110102 |
4 | 102023320202210 |
5 | 1111101330220 |
6 | 50135243232 |
7 | 10363231061 |
oct | 2213704244 |
9 | 707087412 |
10 | 305105060 |
11 | 147250a47 |
12 | 86219518 |
13 | 4b297650 |
14 | 2c741c68 |
15 | 1bbbb775 |
hex | 122f88a4 |
305105060 has 24 divisors (see below), whose sum is σ = 690007416. Its totient is φ = 112654080.
The previous prime is 305105039. The next prime is 305105093. The reversal of 305105060 is 60501503.
305105060 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 5607424 + 299497636 = 2368^2 + 17306^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
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, 586481 + ... + 587000.
It is an arithmetic number, because the mean of its divisors is an integer number (28750309).
Almost surely, 2305105060 is an apocalyptic number.
It is an amenable number.
305105060 is an abundant number, since it is smaller than the sum of its proper divisors (384902356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
305105060 is a wasteful number, since it uses less digits than its factorization.
305105060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1173503 (or 1173501 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 305105060 is about 17467.2567966467. The cubic root of 305105060 is about 673.2088295978.
Adding to 305105060 its reverse (60501503), we get a palindrome (365606563).
The spelling of 305105060 in words is "three hundred five million, one hundred five thousand, sixty".
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