Base | Representation |
---|---|
bin | 1100100101000… |
… | …0011011101101 |
3 | 10200021101201101 |
4 | 3021100123231 |
5 | 102001231003 |
6 | 5122443101 |
7 | 1210303102 |
oct | 311203355 |
9 | 120241641 |
10 | 52758253 |
11 | 27865069 |
12 | 15803491 |
13 | ac12a02 |
14 | 7014aa9 |
15 | 497211d |
hex | 32506ed |
52758253 has 4 divisors (see below), whose sum is σ = 53063388. Its totient is φ = 52453120.
The previous prime is 52758247. The next prime is 52758271. The reversal of 52758253 is 35285725.
52758253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 47361924 + 5396329 = 6882^2 + 2323^2 .
It is a cyclic number.
It is not a de Polignac number, because 52758253 - 221 = 50661101 is a prime.
It is a super-2 number, since 2×527582532 = 5566866519224018, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52758653) 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 3 ways as a sum of consecutive naturals, for example, 152308 + ... + 152653.
It is an arithmetic number, because the mean of its divisors is an integer number (13265847).
Almost surely, 252758253 is an apocalyptic number.
It is an amenable number.
52758253 is a deficient number, since it is larger than the sum of its proper divisors (305135).
52758253 is a wasteful number, since it uses less digits than its factorization.
52758253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 305134.
The product of its digits is 84000, while the sum is 37.
The square root of 52758253 is about 7263.4876608968. The cubic root of 52758253 is about 375.0565911631.
The spelling of 52758253 in words is "fifty-two million, seven hundred fifty-eight thousand, two hundred fifty-three".
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