Base | Representation |
---|---|
bin | 1001111001001… |
… | …01011000111101 |
3 | 12210011100202220 |
4 | 10330211120331 |
5 | 132221200103 |
6 | 12122435553 |
7 | 2025260154 |
oct | 474453075 |
9 | 183140686 |
10 | 82990653 |
11 | 42934119 |
12 | 23962bb9 |
13 | 142696c5 |
14 | b04459b |
15 | 7444c53 |
hex | 4f2563d |
82990653 has 8 divisors (see below), whose sum is σ = 110969088. Its totient is φ = 55169664.
The previous prime is 82990643. The next prime is 82990669. The reversal of 82990653 is 35609928.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82990653 - 218 = 82728509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82990643) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38125 + ... + 40242.
It is an arithmetic number, because the mean of its divisors is an integer number (13871136).
Almost surely, 282990653 is an apocalyptic number.
It is an amenable number.
82990653 is a deficient number, since it is larger than the sum of its proper divisors (27978435).
82990653 is a wasteful number, since it uses less digits than its factorization.
82990653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78723.
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 82990653 is about 9109.9205814321. The cubic root of 82990653 is about 436.1906921233.
The spelling of 82990653 in words is "eighty-two million, nine hundred ninety thousand, six hundred fifty-three".
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