Base | Representation |
---|---|
bin | 1001110101010… |
… | …11001110011110 |
3 | 12202012221101012 |
4 | 10322223032132 |
5 | 132104142040 |
6 | 12104015222 |
7 | 2021104262 |
oct | 472531636 |
9 | 182187335 |
10 | 82490270 |
11 | 42622185 |
12 | 23761512 |
13 | 14122a15 |
14 | ad540a2 |
15 | 7396865 |
hex | 4eab39e |
82490270 has 16 divisors (see below), whose sum is σ = 148592880. Its totient is φ = 32971584.
The previous prime is 82490269. The next prime is 82490281. The reversal of 82490270 is 7209428.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17861 + ... + 21999.
It is an arithmetic number, because the mean of its divisors is an integer number (9287055).
Almost surely, 282490270 is an apocalyptic number.
82490270 is a deficient number, since it is larger than the sum of its proper divisors (66102610).
82490270 is a wasteful number, since it uses less digits than its factorization.
82490270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6139.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 82490270 is about 9082.4154276272. The cubic root of 82490270 is about 435.3122697246.
Adding to 82490270 its reverse (7209428), we get a palindrome (89699698).
The spelling of 82490270 in words is "eighty-two million, four hundred ninety thousand, two hundred seventy".
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