Base | Representation |
---|---|
bin | 1001111011000… |
… | …00001001011101 |
3 | 12210121120220200 |
4 | 10331200021131 |
5 | 132301400300 |
6 | 12131534113 |
7 | 2030311632 |
oct | 475401135 |
9 | 183546820 |
10 | 83231325 |
11 | 42a88a21 |
12 | 23a5a339 |
13 | 14322108 |
14 | b0a8189 |
15 | 7491200 |
hex | 4f6025d |
83231325 has 18 divisors (see below), whose sum is σ = 149076954. Its totient is φ = 44389920.
The previous prime is 83231293. The next prime is 83231329. The reversal of 83231325 is 52313238.
It can be written as a sum of positive squares in 3 ways, for example, as 3896676 + 79334649 = 1974^2 + 8907^2 .
It is not a de Polignac number, because 83231325 - 25 = 83231293 is a prime.
It is a super-2 number, since 2×832313252 = 13854906922511250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83231329) by changing a digit.
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 17 ways as a sum of consecutive naturals, for example, 184734 + ... + 185183.
It is an arithmetic number, because the mean of its divisors is an integer number (8282053).
Almost surely, 283231325 is an apocalyptic number.
It is an amenable number.
83231325 is a deficient number, since it is larger than the sum of its proper divisors (65845629).
83231325 is a wasteful number, since it uses less digits than its factorization.
83231325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 369933 (or 369925 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 83231325 is about 9123.1203543525. The cubic root of 83231325 is about 436.6119346224.
The spelling of 83231325 in words is "eighty-three million, two hundred thirty-one thousand, three hundred twenty-five".
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