Base | Representation |
---|---|
bin | 1001100111011001110 |
3 | 121000012212 |
4 | 1030323032 |
5 | 40040321 |
6 | 10430422 |
7 | 2451422 |
oct | 1147316 |
9 | 530185 |
10 | 315086 |
11 | 1a5802 |
12 | 132412 |
13 | b0555 |
14 | 82b82 |
15 | 6355b |
hex | 4cece |
315086 has 4 divisors (see below), whose sum is σ = 472632. Its totient is φ = 157542.
The previous prime is 315083. The next prime is 315097. The reversal of 315086 is 680513.
315086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680513 = 47 ⋅14479.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78770 + ... + 78773.
It is an arithmetic number, because the mean of its divisors is an integer number (118158).
2315086 is an apocalyptic number.
315086 is a deficient number, since it is larger than the sum of its proper divisors (157546).
315086 is a wasteful number, since it uses less digits than its factorization.
315086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157545.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 315086 is about 561.3252176769. The cubic root of 315086 is about 68.0471126799.
Adding to 315086 its reverse (680513), we get a palindrome (995599).
The spelling of 315086 in words is "three hundred fifteen thousand, eighty-six".
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