Base | Representation |
---|---|
bin | 1100101011110… |
… | …0101001100001 |
3 | 10201002220202010 |
4 | 3022330221201 |
5 | 102104422010 |
6 | 5140143133 |
7 | 1214130300 |
oct | 312745141 |
9 | 121086663 |
10 | 53201505 |
11 | 28038095 |
12 | 15997aa9 |
13 | b0396a6 |
14 | 70cc437 |
15 | 4a0d620 |
hex | 32bca61 |
53201505 has 24 divisors (see below), whose sum is σ = 99021312. Its totient is φ = 24320352.
The previous prime is 53201497. The next prime is 53201521. The reversal of 53201505 is 50510235.
53201505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 53201505 - 23 = 53201497 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 35457 + ... + 36926.
It is an arithmetic number, because the mean of its divisors is an integer number (4125888).
Almost surely, 253201505 is an apocalyptic number.
It is an amenable number.
53201505 is a deficient number, since it is larger than the sum of its proper divisors (45819807).
53201505 is a wasteful number, since it uses less digits than its factorization.
53201505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72405 (or 72398 counting only the distinct ones).
The product of its (nonzero) digits is 750, while the sum is 21.
The square root of 53201505 is about 7293.9361801431. The cubic root of 53201505 is about 376.1040176416.
The spelling of 53201505 in words is "fifty-three million, two hundred one thousand, five hundred five".
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