Base | Representation |
---|---|
bin | 1001111010110… |
… | …01101100011101 |
3 | 12210120020122201 |
4 | 10331121230131 |
5 | 132300024033 |
6 | 12131211501 |
7 | 2030141602 |
oct | 475315435 |
9 | 183506581 |
10 | 83204893 |
11 | 42a70082 |
12 | 23a46b91 |
13 | 14313085 |
14 | b09c6a9 |
15 | 748847d |
hex | 4f59b1d |
83204893 has 4 divisors (see below), whose sum is σ = 83226528. Its totient is φ = 83183260.
The previous prime is 83204887. The next prime is 83204903. The reversal of 83204893 is 39840238.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39840238 = 2 ⋅19920119.
It is a cyclic number.
It is not a de Polignac number, because 83204893 - 25 = 83204861 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 (83207893) 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, 3313 + ... + 13318.
It is an arithmetic number, because the mean of its divisors is an integer number (20806632).
Almost surely, 283204893 is an apocalyptic number.
It is an amenable number.
83204893 is a deficient number, since it is larger than the sum of its proper divisors (21635).
83204893 is a wasteful number, since it uses less digits than its factorization.
83204893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21634.
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 83204893 is about 9121.6716121553. The cubic root of 83204893 is about 436.5657110461.
The spelling of 83204893 in words is "eighty-three million, two hundred four thousand, eight hundred ninety-three".
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