Base | Representation |
---|---|
bin | 11010000110001011011 |
3 | 1121110000112 |
4 | 3100301123 |
5 | 204331011 |
6 | 30154535 |
7 | 10161044 |
oct | 3206133 |
9 | 1543015 |
10 | 855131 |
11 | 534522 |
12 | 352a4b |
13 | 23c2c4 |
14 | 1838cb |
15 | 11d58b |
hex | d0c5b |
855131 has 2 divisors, whose sum is σ = 855132. Its totient is φ = 855130.
The previous prime is 855119. The next prime is 855143. The reversal of 855131 is 131558.
855131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a balanced prime because it is at equal distance from previous prime (855119) and next prime (855143).
It is a cyclic number.
It is not a de Polignac number, because 855131 - 26 = 855067 is a prime.
It is a super-2 number, since 2×8551312 = 1462498054322, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 855097 and 855106.
It is not a weakly prime, because it can be changed into another prime (855191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427565 + 427566.
It is an arithmetic number, because the mean of its divisors is an integer number (427566).
2855131 is an apocalyptic number.
855131 is a deficient number, since it is larger than the sum of its proper divisors (1).
855131 is an equidigital number, since it uses as much as digits as its factorization.
855131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 600, while the sum is 23.
The square root of 855131 is about 924.7329344194. The cubic root of 855131 is about 94.9170467004.
Adding to 855131 its reverse (131558), we get a palindrome (986689).
The spelling of 855131 in words is "eight hundred fifty-five thousand, one hundred thirty-one".
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