Base | Representation |
---|---|
bin | 110001100111… |
… | …010011011101 |
3 | 220110202221101 |
4 | 301213103131 |
5 | 11312143140 |
6 | 1142433101 |
7 | 215356333 |
oct | 61472335 |
9 | 26422841 |
10 | 13006045 |
11 | 73836a8 |
12 | 4432791 |
13 | 2904bb0 |
14 | 1a27b53 |
15 | 121d99a |
hex | c674dd |
13006045 has 16 divisors (see below), whose sum is σ = 17044272. Its totient is φ = 9469440.
The previous prime is 13006039. The next prime is 13006057. The reversal of 13006045 is 54060031.
It can be written as a sum of positive squares in 8 ways, for example, as 1425636 + 11580409 = 1194^2 + 3403^2 .
It is not a de Polignac number, because 13006045 - 27 = 13005917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3375 + ... + 6115.
It is an arithmetic number, because the mean of its divisors is an integer number (1065267).
Almost surely, 213006045 is an apocalyptic number.
It is an amenable number.
13006045 is a deficient number, since it is larger than the sum of its proper divisors (4038227).
13006045 is a wasteful number, since it uses less digits than its factorization.
13006045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2832.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 13006045 is about 3606.3894687069. The cubic root of 13006045 is about 235.1699088121.
Adding to 13006045 its reverse (54060031), we get a palindrome (67066076).
The spelling of 13006045 in words is "thirteen million, six thousand, forty-five".
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