Base | Representation |
---|---|
bin | 1100111111111… |
… | …0111000000111 |
3 | 10210120222020022 |
4 | 3033332320013 |
5 | 102424140401 |
6 | 5224325355 |
7 | 1231265243 |
oct | 317767007 |
9 | 123528208 |
10 | 54521351 |
11 | 28859775 |
12 | 1631385b |
13 | b3ac371 |
14 | 7353423 |
15 | 4bbe71b |
hex | 33fee07 |
54521351 has 4 divisors (see below), whose sum is σ = 54560832. Its totient is φ = 54481872.
The previous prime is 54521333. The next prime is 54521353. The reversal of 54521351 is 15312545.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15312545 = 5 ⋅3062509.
It is a cyclic number.
It is not a de Polignac number, because 54521351 - 26 = 54521287 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 54521351.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54521353) 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, 17591 + ... + 20456.
It is an arithmetic number, because the mean of its divisors is an integer number (13640208).
Almost surely, 254521351 is an apocalyptic number.
54521351 is a deficient number, since it is larger than the sum of its proper divisors (39481).
54521351 is a wasteful number, since it uses less digits than its factorization.
54521351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39480.
The product of its digits is 3000, while the sum is 26.
The square root of 54521351 is about 7383.8574607044. The cubic root of 54521351 is about 379.1888306061.
Adding to 54521351 its reverse (15312545), we get a palindrome (69833896).
It can be divided in two parts, 54521 and 351, that added together give a cube (54872 = 383).
The spelling of 54521351 in words is "fifty-four million, five hundred twenty-one thousand, three hundred fifty-one".
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