Base | Representation |
---|---|
bin | 10001000100010… |
… | …000010011001101 |
3 | 201221202222012020 |
4 | 101010100103031 |
5 | 1041244444023 |
6 | 44225000353 |
7 | 10044514356 |
oct | 2104202315 |
9 | 657688166 |
10 | 286328013 |
11 | 137696524 |
12 | 7ba830b9 |
13 | 47421a7a |
14 | 2a054d2d |
15 | 1a20cde3 |
hex | 111104cd |
286328013 has 16 divisors (see below), whose sum is σ = 393017856. Its totient is φ = 185315760.
The previous prime is 286328011. The next prime is 286328023. The reversal of 286328013 is 310823682.
It is not a de Polignac number, because 286328013 - 21 = 286328011 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (286328011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14898 + ... + 28188.
It is an arithmetic number, because the mean of its divisors is an integer number (24563616).
Almost surely, 2286328013 is an apocalyptic number.
It is an amenable number.
286328013 is a deficient number, since it is larger than the sum of its proper divisors (106689843).
286328013 is a wasteful number, since it uses less digits than its factorization.
286328013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13504.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 286328013 is about 16921.2296538993. The cubic root of 286328013 is about 659.1050105025.
It can be divided in two parts, 2863 and 28013, that added together give a triangular number (30876 = T248).
The spelling of 286328013 in words is "two hundred eighty-six million, three hundred twenty-eight thousand, thirteen".
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