Base | Representation |
---|---|
bin | 1100110101001… |
… | …1010011001100 |
3 | 10202021021012110 |
4 | 3031103103030 |
5 | 102234143242 |
6 | 5201304020 |
7 | 1222310313 |
oct | 315232314 |
9 | 122237173 |
10 | 53818572 |
11 | 28419765 |
12 | 16035010 |
13 | b1c4512 |
14 | 720d27a |
15 | 4ad139c |
hex | 33534cc |
53818572 has 48 divisors (see below), whose sum is σ = 131765760. Its totient is φ = 17076672.
The previous prime is 53818571. The next prime is 53818591. The reversal of 53818572 is 27581835.
53818572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 53818572.
It is not an unprimeable number, because it can be changed into a prime (53818571) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19579 + ... + 22157.
It is an arithmetic number, because the mean of its divisors is an integer number (2745120).
Almost surely, 253818572 is an apocalyptic number.
It is an amenable number.
53818572 is an abundant number, since it is smaller than the sum of its proper divisors (77947188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53818572 is a wasteful number, since it uses less digits than its factorization.
53818572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2670 (or 2668 counting only the distinct ones).
The product of its digits is 67200, while the sum is 39.
The square root of 53818572 is about 7336.1142302993. The cubic root of 53818572 is about 377.5525345363.
It can be divided in two parts, 538 and 18572, that added together give a triangular number (19110 = T195).
The spelling of 53818572 in words is "fifty-three million, eight hundred eighteen thousand, five hundred seventy-two".
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