Base | Representation |
---|---|
bin | 1001111010110… |
… | …00110111110101 |
3 | 12210120002000222 |
4 | 10331120313311 |
5 | 132244422100 |
6 | 12131144125 |
7 | 2030126021 |
oct | 475306765 |
9 | 183502028 |
10 | 83201525 |
11 | 42a685a0 |
12 | 23a45045 |
13 | 14311694 |
14 | b09b381 |
15 | 7487485 |
hex | 4f58df5 |
83201525 has 12 divisors (see below), whose sum is σ = 112549344. Its totient is φ = 60510000.
The previous prime is 83201509. The next prime is 83201539. The reversal of 83201525 is 52510238.
It is not a de Polignac number, because 83201525 - 24 = 83201509 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 83201494 and 83201503.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 151001 + ... + 151550.
It is an arithmetic number, because the mean of its divisors is an integer number (9379112).
Almost surely, 283201525 is an apocalyptic number.
It is an amenable number.
83201525 is a deficient number, since it is larger than the sum of its proper divisors (29347819).
83201525 is a wasteful number, since it uses less digits than its factorization.
83201525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302572 (or 302567 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 83201525 is about 9121.4869950025. The cubic root of 83201525 is about 436.5598204744.
The spelling of 83201525 in words is "eighty-three million, two hundred one thousand, five hundred twenty-five".
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