Base | Representation |
---|---|
bin | 1001111011000… |
… | …00000100011001 |
3 | 12210121120110200 |
4 | 10331200010121 |
5 | 132301343001 |
6 | 12131532413 |
7 | 2030310660 |
oct | 475400431 |
9 | 183546420 |
10 | 83231001 |
11 | 42a88757 |
12 | 23a5a109 |
13 | 14321c19 |
14 | b0a7dd7 |
15 | 7491086 |
hex | 4f60119 |
83231001 has 48 divisors (see below), whose sum is σ = 149360640. Its totient is φ = 43584480.
The previous prime is 83230999. The next prime is 83231011. The reversal of 83231001 is 10013238.
It is not a de Polignac number, because 83231001 - 21 = 83230999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (83231011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35986 + ... + 38228.
It is an arithmetic number, because the mean of its divisors is an integer number (3111680).
Almost surely, 283231001 is an apocalyptic number.
It is an amenable number.
83231001 is a deficient number, since it is larger than the sum of its proper divisors (66129639).
83231001 is a wasteful number, since it uses less digits than its factorization.
83231001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2306 (or 2303 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 83231001 is about 9123.1025972528. The cubic root of 83231001 is about 436.6113680791.
Adding to 83231001 its reverse (10013238), we get a palindrome (93244239).
The spelling of 83231001 in words is "eighty-three million, two hundred thirty-one thousand, one".
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