Base | Representation |
---|---|
bin | 1100111110011… |
… | …0111010100101 |
3 | 10210101222121021 |
4 | 3033212322211 |
5 | 102413020310 |
6 | 5222251141 |
7 | 1230406144 |
oct | 317467245 |
9 | 123358537 |
10 | 54423205 |
11 | 287a1a61 |
12 | 16286ab1 |
13 | b3767a5 |
14 | 732975b |
15 | 4ba05da |
hex | 33e6ea5 |
54423205 has 16 divisors (see below), whose sum is σ = 69567984. Its totient is φ = 40729600.
The previous prime is 54423203. The next prime is 54423211. The reversal of 54423205 is 50232445.
It can be written as a sum of positive squares in 8 ways, for example, as 3814209 + 50608996 = 1953^2 + 7114^2 .
It is not a de Polignac number, because 54423205 - 21 = 54423203 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 54423205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54423203) 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, 12855 + ... + 16555.
It is an arithmetic number, because the mean of its divisors is an integer number (4347999).
Almost surely, 254423205 is an apocalyptic number.
It is an amenable number.
54423205 is a deficient number, since it is larger than the sum of its proper divisors (15144779).
54423205 is a wasteful number, since it uses less digits than its factorization.
54423205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3896.
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 54423205 is about 7377.2084828884. The cubic root of 54423205 is about 378.9611630967.
The spelling of 54423205 in words is "fifty-four million, four hundred twenty-three thousand, two hundred five".
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