Base | Representation |
---|---|
bin | 1001111101011… |
… | …01101010001100 |
3 | 12211012201102110 |
4 | 10332231222030 |
5 | 132342030222 |
6 | 12142424020 |
7 | 2033103354 |
oct | 476555214 |
9 | 184181373 |
10 | 83548812 |
11 | 43185506 |
12 | 23b92010 |
13 | 14403789 |
14 | b14bb64 |
15 | 750530c |
hex | 4fada8c |
83548812 has 48 divisors (see below), whose sum is σ = 212012640. Its totient is φ = 25500672.
The previous prime is 83548807. The next prime is 83548819. The reversal of 83548812 is 21884538.
It is a super-2 number, since 2×835488122 = 13960807973222688, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (83548819) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014 + ... + 13082.
It is an arithmetic number, because the mean of its divisors is an integer number (4416930).
Almost surely, 283548812 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83548812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106006320).
83548812 is an abundant number, since it is smaller than the sum of its proper divisors (128463828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83548812 is a wasteful number, since it uses less digits than its factorization.
83548812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11130 (or 11128 counting only the distinct ones).
The product of its digits is 61440, while the sum is 39.
The square root of 83548812 is about 9140.5039248392. The cubic root of 83548812 is about 437.1663842509.
The spelling of 83548812 in words is "eighty-three million, five hundred forty-eight thousand, eight hundred twelve".
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