Base | Representation |
---|---|
bin | 1000011101110111… |
… | …0001000101011001 |
3 | 12212101112111212100 |
4 | 2013131301011121 |
5 | 14123304234020 |
6 | 1013304234013 |
7 | 110214602235 |
oct | 20735610531 |
9 | 5771474770 |
10 | 2272727385 |
11 | a669937a5 |
12 | 53516b909 |
13 | 2a2b16706 |
14 | 177bad5c5 |
15 | d47d5a90 |
hex | 87771159 |
2272727385 has 12 divisors (see below), whose sum is σ = 3939394212. Its totient is φ = 1212121248.
The previous prime is 2272727383. The next prime is 2272727393. The reversal of 2272727385 is 5837272722.
2272727385 is a `hidden beast` number, since 227 + 27 + 27 + 385 = 666.
2272727385 is digitally balanced in base 2, 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 2 ways, for example, as 775733904 + 1496993481 = 27852^2 + 38691^2 .
It is not a de Polignac number, because 2272727385 - 21 = 2272727383 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 50505053 = 2272727385 / (2 + 2 + 7 + 2 + 7 + 2 + 7 + 3 + 8 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 2272727385.
It is not an unprimeable number, because it can be changed into a prime (2272727381) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25252482 + ... + 25252571.
It is an arithmetic number, because the mean of its divisors is an integer number (328282851).
Almost surely, 22272727385 is an apocalyptic number.
It is an amenable number.
2272727385 is a deficient number, since it is larger than the sum of its proper divisors (1666666827).
2272727385 is a wasteful number, since it uses less digits than its factorization.
2272727385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50505064 (or 50505061 counting only the distinct ones).
The product of its digits is 658560, while the sum is 45.
The square root of 2272727385 is about 47673.1306398059. The cubic root of 2272727385 is about 1314.7679688145.
The spelling of 2272727385 in words is "two billion, two hundred seventy-two million, seven hundred twenty-seven thousand, three hundred eighty-five".
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