Base | Representation |
---|---|
bin | 1001110101010… |
… | …11001100100111 |
3 | 12202012221012210 |
4 | 10322223030213 |
5 | 132104141101 |
6 | 12104014503 |
7 | 2021104032 |
oct | 472531447 |
9 | 182187183 |
10 | 82490151 |
11 | 42622087 |
12 | 23761433 |
13 | 14122953 |
14 | ad54019 |
15 | 73967d6 |
hex | 4eab327 |
82490151 has 16 divisors (see below), whose sum is σ = 111283200. Its totient is φ = 54349728.
The previous prime is 82490147. The next prime is 82490209. The reversal of 82490151 is 15109428.
It is a happy number.
It is not a de Polignac number, because 82490151 - 22 = 82490147 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82490651) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114370 + ... + 115088.
It is an arithmetic number, because the mean of its divisors is an integer number (6955200).
Almost surely, 282490151 is an apocalyptic number.
82490151 is a deficient number, since it is larger than the sum of its proper divisors (28793049).
82490151 is a wasteful number, since it uses less digits than its factorization.
82490151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1118.
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 82490151 is about 9082.4088765041. The cubic root of 82490151 is about 435.3120603981.
Adding to 82490151 its reverse (15109428), we get a palindrome (97599579).
The spelling of 82490151 in words is "eighty-two million, four hundred ninety thousand, one hundred fifty-one".
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