Base | Representation |
---|---|
bin | 1001111101011… |
… | …00000111111101 |
3 | 12211012101210121 |
4 | 10332230013331 |
5 | 132341330100 |
6 | 12142334541 |
7 | 2033046133 |
oct | 476540775 |
9 | 184171717 |
10 | 83542525 |
11 | 43180810 |
12 | 23b8a451 |
13 | 14400961 |
14 | b149753 |
15 | 750351a |
hex | 4fac1fd |
83542525 has 48 divisors (see below), whose sum is σ = 121420800. Its totient is φ = 56376000.
The previous prime is 83542519. The next prime is 83542561. The reversal of 83542525 is 52524538.
It is not a de Polignac number, because 83542525 - 213 = 83534333 is a prime.
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 47 ways as a sum of consecutive naturals, for example, 308140 + ... + 308410.
It is an arithmetic number, because the mean of its divisors is an integer number (2529600).
Almost surely, 283542525 is an apocalyptic number.
It is an amenable number.
83542525 is a deficient number, since it is larger than the sum of its proper divisors (37878275).
83542525 is a wasteful number, since it uses less digits than its factorization.
83542525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 370 (or 365 counting only the distinct ones).
The product of its digits is 48000, while the sum is 34.
The square root of 83542525 is about 9140.1600095403. The cubic root of 83542525 is about 437.1554184696.
The spelling of 83542525 in words is "eighty-three million, five hundred forty-two thousand, five hundred twenty-five".
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