Base | Representation |
---|---|
bin | 1100000100100… |
… | …0110111101001 |
3 | 10112021021110200 |
4 | 3001020313221 |
5 | 100430130441 |
6 | 5005102413 |
7 | 1153230453 |
oct | 301106751 |
9 | 115237420 |
10 | 50630121 |
11 | 26641183 |
12 | 14b57a09 |
13 | a649169 |
14 | 6a1d2d3 |
15 | 46a17b6 |
hex | 3048de9 |
50630121 has 12 divisors (see below), whose sum is σ = 74916660. Its totient is φ = 32929920.
The previous prime is 50630119. The next prime is 50630147. The reversal of 50630121 is 12103605.
It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 39501225 = 3336^2 + 6285^2 .
It is not a de Polignac number, because 50630121 - 21 = 50630119 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 50630094 and 50630103.
It is not an unprimeable number, because it can be changed into a prime (50630621) 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, 68236 + ... + 68973.
It is an arithmetic number, because the mean of its divisors is an integer number (6243055).
Almost surely, 250630121 is an apocalyptic number.
It is an amenable number.
50630121 is a deficient number, since it is larger than the sum of its proper divisors (24286539).
50630121 is a wasteful number, since it uses less digits than its factorization.
50630121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137256 (or 137253 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 50630121 is about 7115.4845934764. The cubic root of 50630121 is about 369.9442842816.
Adding to 50630121 its reverse (12103605), we get a palindrome (62733726).
The spelling of 50630121 in words is "fifty million, six hundred thirty thousand, one hundred twenty-one".
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