Base | Representation |
---|---|
bin | 10010100111111… |
… | …01011101100011 |
3 | 101212222011202000 |
4 | 21103331131203 |
5 | 304443234202 |
6 | 23300255043 |
7 | 3604624356 |
oct | 1123753543 |
9 | 355864660 |
10 | 156227427 |
11 | 80205a84 |
12 | 443a1483 |
13 | 2649c585 |
14 | 16a6a29d |
15 | daae91c |
hex | 94fd763 |
156227427 has 16 divisors (see below), whose sum is σ = 232190880. Its totient is φ = 103817376.
The previous prime is 156227417. The next prime is 156227447. The reversal of 156227427 is 724722651.
It is a happy number.
156227427 is a `hidden beast` number, since 1 + 5 + 6 + 227 + 427 = 666.
It is not a de Polignac number, because 156227427 - 26 = 156227363 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 156227391 and 156227400.
It is not an unprimeable number, because it can be changed into a prime (156227417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568 + ... + 17685.
It is an arithmetic number, because the mean of its divisors is an integer number (14511930).
Almost surely, 2156227427 is an apocalyptic number.
156227427 is a deficient number, since it is larger than the sum of its proper divisors (75963453).
156227427 is a wasteful number, since it uses less digits than its factorization.
156227427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18579 (or 18573 counting only the distinct ones).
The product of its digits is 47040, while the sum is 36.
The square root of 156227427 is about 12499.0970473871. The cubic root of 156227427 is about 538.5827341632.
The spelling of 156227427 in words is "one hundred fifty-six million, two hundred twenty-seven thousand, four hundred twenty-seven".
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