Base | Representation |
---|---|
bin | 1001110010110… |
… | …01100111111010 |
3 | 12201120221212210 |
4 | 10321121213322 |
5 | 132012443101 |
6 | 12052515550 |
7 | 2015212641 |
oct | 471314772 |
9 | 181527783 |
10 | 82156026 |
11 | 42414047 |
12 | 2361bbb6 |
13 | 14036844 |
14 | aca8358 |
15 | 732c7d6 |
hex | 4e599fa |
82156026 has 16 divisors (see below), whose sum is σ = 165940128. Its totient is φ = 27114000.
The previous prime is 82156001. The next prime is 82156027. The reversal of 82156026 is 62065128.
It is a super-2 number, since 2×821560262 = 13499225216225352, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 82155984 and 82156002.
It is not an unprimeable number, because it can be changed into a prime (82156027) 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, 67180 + ... + 68391.
It is an arithmetic number, because the mean of its divisors is an integer number (10371258).
Almost surely, 282156026 is an apocalyptic number.
82156026 is an abundant number, since it is smaller than the sum of its proper divisors (83784102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82156026 is a wasteful number, since it uses less digits than its factorization.
82156026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135677.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 82156026 is about 9063.9961385693. The cubic root of 82156026 is about 434.7235236147.
It can be divided in two parts, 8215 and 6026, that added together give a palindrome (14241).
The spelling of 82156026 in words is "eighty-two million, one hundred fifty-six thousand, twenty-six".
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