Base | Representation |
---|---|
bin | 1100101100101… |
… | …0011011000111 |
3 | 10201012210010211 |
4 | 3023022123013 |
5 | 102113223202 |
6 | 5141300251 |
7 | 1214453632 |
oct | 313123307 |
9 | 121183124 |
10 | 53257927 |
11 | 28076518 |
12 | 15a04687 |
13 | b059288 |
14 | 7104c19 |
15 | 4a201d7 |
hex | 32ca6c7 |
53257927 has 4 divisors (see below), whose sum is σ = 53285400. Its totient is φ = 53230456.
The previous prime is 53257879. The next prime is 53257937. The reversal of 53257927 is 72975235.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72975235 = 5 ⋅14595047.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-53257927 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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 53257927.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53257937) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10588 + ... + 14785.
It is an arithmetic number, because the mean of its divisors is an integer number (13321350).
Almost surely, 253257927 is an apocalyptic number.
53257927 is a deficient number, since it is larger than the sum of its proper divisors (27473).
53257927 is a wasteful number, since it uses less digits than its factorization.
53257927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27472.
The product of its digits is 132300, while the sum is 40.
The square root of 53257927 is about 7297.8028885412. The cubic root of 53257927 is about 376.2369276886.
The spelling of 53257927 in words is "fifty-three million, two hundred fifty-seven thousand, nine hundred twenty-seven".
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