Base | Representation |
---|---|
bin | 11011011110000011110101 |
3 | 111112211221012 |
4 | 123132003311 |
5 | 3320413023 |
6 | 414202005 |
7 | 115131131 |
oct | 33360365 |
9 | 14484835 |
10 | 7201013 |
11 | 4079256 |
12 | 24b3305 |
13 | 1651871 |
14 | d563c1 |
15 | 973978 |
hex | 6de0f5 |
7201013 has 6 divisors (see below), whose sum is σ = 7649826. Its totient is φ = 6777152.
The previous prime is 7200983. The next prime is 7201031. The reversal of 7201013 is 3101027.
It can be written as a sum of positive squares in 3 ways, for example, as 3598609 + 3602404 = 1897^2 + 1898^2 .
It is not a de Polignac number, because 7201013 - 214 = 7184629 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7201063) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12170 + ... + 12747.
It is an arithmetic number, because the mean of its divisors is an integer number (1274971).
Almost surely, 27201013 is an apocalyptic number.
7201013 is the 1898-th centered square number.
It is an amenable number.
7201013 is a deficient number, since it is larger than the sum of its proper divisors (448813).
7201013 is a wasteful number, since it uses less digits than its factorization.
7201013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24951 (or 24934 counting only the distinct ones).
The product of its (nonzero) digits is 42, while the sum is 14.
The square root of 7201013 is about 2683.4703277659. The cubic root of 7201013 is about 193.1069324293.
Adding to 7201013 its sum of digits (14), we get a palindrome (7201027).
The spelling of 7201013 in words is "seven million, two hundred one thousand, thirteen".
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