Base | Representation |
---|---|
bin | 1001111100011… |
… | …00101101101111 |
3 | 12210221212022122 |
4 | 10332030231233 |
5 | 132323220441 |
6 | 12135503155 |
7 | 2032002062 |
oct | 476145557 |
9 | 183855278 |
10 | 83413871 |
11 | 430a3092 |
12 | 23b27abb |
13 | 14387228 |
14 | b1148d9 |
15 | 74ca34b |
hex | 4f8cb6f |
83413871 has 4 divisors (see below), whose sum is σ = 83437200. Its totient is φ = 83390544.
The previous prime is 83413817. The next prime is 83413909. The reversal of 83413871 is 17831438.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17831438 = 2 ⋅8915719.
It is a cyclic number.
It is not a de Polignac number, because 83413871 - 26 = 83413807 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83413171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051 + ... + 13868.
It is an arithmetic number, because the mean of its divisors is an integer number (20859300).
Almost surely, 283413871 is an apocalyptic number.
83413871 is a deficient number, since it is larger than the sum of its proper divisors (23329).
83413871 is a wasteful number, since it uses less digits than its factorization.
83413871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23328.
The product of its digits is 16128, while the sum is 35.
The square root of 83413871 is about 9133.1194561333. The cubic root of 83413871 is about 436.9308993265.
The spelling of 83413871 in words is "eighty-three million, four hundred thirteen thousand, eight hundred seventy-one".
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