Base | Representation |
---|---|
bin | 1011101101000… |
… | …0000111010011 |
3 | 10102100212121111 |
4 | 2323100013103 |
5 | 100031240211 |
6 | 4512034151 |
7 | 1134142405 |
oct | 273200723 |
9 | 112325544 |
10 | 49086931 |
11 | 25787813 |
12 | 14532957 |
13 | a22892a |
14 | 673ab75 |
15 | 4499421 |
hex | 2ed01d3 |
49086931 has 2 divisors, whose sum is σ = 49086932. Its totient is φ = 49086930.
The previous prime is 49086913. The next prime is 49086977. The reversal of 49086931 is 13968094.
49086931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Together with previous prime (49086913) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 49086931 - 29 = 49086419 is a prime.
It is a super-2 number, since 2×490869312 = 4819053589997522, which contains 22 as substring.
It is equal to p2949448 and since 49086931 and 2949448 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (49086911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24543465 + 24543466.
It is an arithmetic number, because the mean of its divisors is an integer number (24543466).
Almost surely, 249086931 is an apocalyptic number.
49086931 is a deficient number, since it is larger than the sum of its proper divisors (1).
49086931 is an equidigital number, since it uses as much as digits as its factorization.
49086931 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 49086931 is about 7006.2066055748. The cubic root of 49086931 is about 366.1468425477.
The spelling of 49086931 in words is "forty-nine million, eighty-six thousand, nine hundred thirty-one".
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