Base | Representation |
---|---|
bin | 1100011110001… |
… | …0010101010101 |
3 | 10122102111002212 |
4 | 3013202111111 |
5 | 101342313120 |
6 | 5105043205 |
7 | 1203414242 |
oct | 307422525 |
9 | 118374085 |
10 | 52307285 |
11 | 27587268 |
12 | 15626505 |
13 | aab5674 |
14 | 6d385c9 |
15 | 48d36c5 |
hex | 31e2555 |
52307285 has 16 divisors (see below), whose sum is σ = 66571200. Its totient is φ = 39344256.
The previous prime is 52307273. The next prime is 52307291. The reversal of 52307285 is 58270325.
52307285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 52307285 - 212 = 52303189 is a prime.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 11006 + ... + 15024.
It is an arithmetic number, because the mean of its divisors is an integer number (4160700).
Almost surely, 252307285 is an apocalyptic number.
It is an amenable number.
52307285 is a deficient number, since it is larger than the sum of its proper divisors (14263915).
52307285 is a wasteful number, since it uses less digits than its factorization.
52307285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4180.
The product of its (nonzero) digits is 16800, while the sum is 32.
The square root of 52307285 is about 7232.3775482202. The cubic root of 52307285 is about 373.9848931529.
The spelling of 52307285 in words is "fifty-two million, three hundred seven thousand, two hundred eighty-five".
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