Base | Representation |
---|---|
bin | 10010110010011… |
… | …111001111010001 |
3 | 210222011002110112 |
4 | 102302133033101 |
5 | 1121144200131 |
6 | 51140211105 |
7 | 10545240305 |
oct | 2262371721 |
9 | 728132415 |
10 | 315225041 |
11 | 151a3326a |
12 | 89699a95 |
13 | 503cb9c1 |
14 | 2dc17d05 |
15 | 1ca1a02b |
hex | 12c9f3d1 |
315225041 has 4 divisors (see below), whose sum is σ = 326094900. Its totient is φ = 304355184.
The previous prime is 315225037. The next prime is 315225047. The reversal of 315225041 is 140522513.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 90345025 + 224880016 = 9505^2 + 14996^2 .
It is a cyclic number.
It is not a de Polignac number, because 315225041 - 22 = 315225037 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 315224998 and 315225016.
It is not an unprimeable number, because it can be changed into a prime (315225047) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5434886 + ... + 5434943.
It is an arithmetic number, because the mean of its divisors is an integer number (81523725).
Almost surely, 2315225041 is an apocalyptic number.
It is an amenable number.
315225041 is a deficient number, since it is larger than the sum of its proper divisors (10869859).
315225041 is a wasteful number, since it uses less digits than its factorization.
315225041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10869858.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 315225041 is about 17754.5780293422. The cubic root of 315225041 is about 680.5712047383.
Adding to 315225041 its reverse (140522513), we get a palindrome (455747554).
It can be divided in two parts, 31522 and 5041, that added together give a palindrome (36563).
The spelling of 315225041 in words is "three hundred fifteen million, two hundred twenty-five thousand, forty-one".
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