Base | Representation |
---|---|
bin | 100111110101000110101 |
3 | 2110022022120 |
4 | 10332220311 |
5 | 313231031 |
6 | 43550153 |
7 | 14044035 |
oct | 4765065 |
9 | 2408276 |
10 | 1305141 |
11 | 811632 |
12 | 52b359 |
13 | 369096 |
14 | 25d8c5 |
15 | 1aba96 |
hex | 13ea35 |
1305141 has 16 divisors (see below), whose sum is σ = 1865664. Its totient is φ = 808704.
The previous prime is 1305137. The next prime is 1305149. The reversal of 1305141 is 1415031.
It is not a de Polignac number, because 1305141 - 22 = 1305137 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1305141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1305149) 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, 7926 + ... + 8088.
It is an arithmetic number, because the mean of its divisors is an integer number (116604).
21305141 is an apocalyptic number.
It is an amenable number.
1305141 is a deficient number, since it is larger than the sum of its proper divisors (560523).
1305141 is a wasteful number, since it uses less digits than its factorization.
1305141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 340.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 1305141 is about 1142.4276782361. The cubic root of 1305141 is about 109.2829670437.
The spelling of 1305141 in words is "one million, three hundred five thousand, one hundred forty-one".
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