Base | Representation |
---|---|
bin | 1100111101010… |
… | …1110100111101 |
3 | 10210021102120222 |
4 | 3033111310331 |
5 | 102403300323 |
6 | 5220551125 |
7 | 1226665115 |
oct | 317256475 |
9 | 123242528 |
10 | 54353213 |
11 | 28754412 |
12 | 162524a5 |
13 | b350985 |
14 | 730c045 |
15 | 4b899c8 |
hex | 33d5d3d |
54353213 has 4 divisors (see below), whose sum is σ = 54386940. Its totient is φ = 54319488.
The previous prime is 54353183. The next prime is 54353227. The reversal of 54353213 is 31235345.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31235345 = 5 ⋅6247069.
It can be written as a sum of positive squares in 2 ways, for example, as 23406244 + 30946969 = 4838^2 + 5563^2 .
It is a cyclic number.
It is not a de Polignac number, because 54353213 - 26 = 54353149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54353293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14318 + ... + 17711.
It is an arithmetic number, because the mean of its divisors is an integer number (13596735).
Almost surely, 254353213 is an apocalyptic number.
It is an amenable number.
54353213 is a deficient number, since it is larger than the sum of its proper divisors (33727).
54353213 is a wasteful number, since it uses less digits than its factorization.
54353213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33726.
The product of its digits is 5400, while the sum is 26.
The square root of 54353213 is about 7372.4631569103. The cubic root of 54353213 is about 378.7986366613.
Adding to 54353213 its reverse (31235345), we get a palindrome (85588558).
The spelling of 54353213 in words is "fifty-four million, three hundred fifty-three thousand, two hundred thirteen".
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