Base | Representation |
---|---|
bin | 1001111100101… |
… | …01010010010100 |
3 | 12211000122110222 |
4 | 10332111102110 |
5 | 132330331410 |
6 | 12140333512 |
7 | 2032206326 |
oct | 476252224 |
9 | 184018428 |
10 | 83448980 |
11 | 431174aa |
12 | 23b44298 |
13 | 1439a1c4 |
14 | b123616 |
15 | 74d5955 |
hex | 4f95494 |
83448980 has 24 divisors (see below), whose sum is σ = 175432488. Its totient is φ = 33343488.
The previous prime is 83448961. The next prime is 83448997. The reversal of 83448980 is 8984438.
It can be written as a sum of positive squares in 4 ways, for example, as 52823824 + 30625156 = 7268^2 + 5534^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24332 + ... + 27548.
It is an arithmetic number, because the mean of its divisors is an integer number (7309687).
Almost surely, 283448980 is an apocalyptic number.
It is an amenable number.
83448980 is an abundant number, since it is smaller than the sum of its proper divisors (91983508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83448980 is a wasteful number, since it uses less digits than its factorization.
83448980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4523 (or 4521 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 44.
The square root of 83448980 is about 9135.0413244823. The cubic root of 83448980 is about 436.9921923106.
The spelling of 83448980 in words is "eighty-three million, four hundred forty-eight thousand, nine hundred eighty".
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