Base | Representation |
---|---|
bin | 111010111001… |
… | …0000111101001 |
3 | 2011002200002122 |
4 | 1311302013221 |
5 | 30401014022 |
6 | 3021441025 |
7 | 523304615 |
oct | 165620751 |
9 | 64080078 |
10 | 30876137 |
11 | 16479776 |
12 | a410175 |
13 | 6520a06 |
14 | 415a345 |
15 | 2a9d742 |
hex | 1d721e9 |
30876137 has 2 divisors, whose sum is σ = 30876138. Its totient is φ = 30876136.
The previous prime is 30876073. The next prime is 30876163. The reversal of 30876137 is 73167803.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23580736 + 7295401 = 4856^2 + 2701^2 .
It is a cyclic number.
It is not a de Polignac number, because 30876137 - 26 = 30876073 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 30876097 and 30876106.
It is not a weakly prime, because it can be changed into another prime (30876337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15438068 + 15438069.
It is an arithmetic number, because the mean of its divisors is an integer number (15438069).
Almost surely, 230876137 is an apocalyptic number.
It is an amenable number.
30876137 is a deficient number, since it is larger than the sum of its proper divisors (1).
30876137 is an equidigital number, since it uses as much as digits as its factorization.
30876137 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 21168, while the sum is 35.
The square root of 30876137 is about 5556.6300038782. The cubic root of 30876137 is about 313.7191187735.
It can be divided in two parts, 30876 and 137, that added together give a palindrome (31013).
The spelling of 30876137 in words is "thirty million, eight hundred seventy-six thousand, one hundred thirty-seven".
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