Base | Representation |
---|---|
bin | 1100101110100… |
… | …1001111000011 |
3 | 10201110012021001 |
4 | 3023221033003 |
5 | 102131243011 |
6 | 5144112431 |
7 | 1215520603 |
oct | 313511703 |
9 | 121405231 |
10 | 53384131 |
11 | 28152319 |
12 | 15a65717 |
13 | b0a1858 |
14 | 7138c03 |
15 | 4a477c1 |
hex | 32e93c3 |
53384131 has 4 divisors (see below), whose sum is σ = 56524392. Its totient is φ = 50243872.
The previous prime is 53384117. The next prime is 53384143. The reversal of 53384131 is 13148335.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13148335 = 5 ⋅2629667.
It is a cyclic number.
It is not a de Polignac number, because 53384131 - 29 = 53383619 is a prime.
It is a super-2 number, since 2×533841312 = 5699730885250322, which contains 22 as substring.
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 53384131.
It is not an unprimeable number, because it can be changed into a prime (53384101) 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, 1570105 + ... + 1570138.
It is an arithmetic number, because the mean of its divisors is an integer number (14131098).
Almost surely, 253384131 is an apocalyptic number.
53384131 is a deficient number, since it is larger than the sum of its proper divisors (3140261).
53384131 is a wasteful number, since it uses less digits than its factorization.
53384131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3140260.
The product of its digits is 4320, while the sum is 28.
The square root of 53384131 is about 7306.4444841523. Note that the first 4 decimals coincide. The cubic root of 53384131 is about 376.5338797173.
The spelling of 53384131 in words is "fifty-three million, three hundred eighty-four thousand, one hundred thirty-one".
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