Base | Representation |
---|---|
bin | 1100110101011… |
… | …1001010010011 |
3 | 10202022001220012 |
4 | 3031113022103 |
5 | 102240200022 |
6 | 5201505135 |
7 | 1222404365 |
oct | 315271223 |
9 | 122261805 |
10 | 53834387 |
11 | 2842a632 |
12 | 160421ab |
13 | b1cb789 |
14 | 7214d35 |
15 | 4ad5de2 |
hex | 3357293 |
53834387 has 4 divisors (see below), whose sum is σ = 54107856. Its totient is φ = 53560920.
The previous prime is 53834351. The next prime is 53834413. The reversal of 53834387 is 78343835.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78343835 = 5 ⋅15668767.
It is a cyclic number.
It is not a de Polignac number, because 53834387 - 216 = 53768851 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53834327) 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, 136439 + ... + 136832.
It is an arithmetic number, because the mean of its divisors is an integer number (13526964).
Almost surely, 253834387 is an apocalyptic number.
53834387 is a deficient number, since it is larger than the sum of its proper divisors (273469).
53834387 is a wasteful number, since it uses less digits than its factorization.
53834387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273468.
The product of its digits is 241920, while the sum is 41.
The square root of 53834387 is about 7337.1920378303. The cubic root of 53834387 is about 377.5895131500.
The spelling of 53834387 in words is "fifty-three million, eight hundred thirty-four thousand, three hundred eighty-seven".
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