Base | Representation |
---|---|
bin | 1001110010110… |
… | …01101000111111 |
3 | 12201120221222100 |
4 | 10321121220333 |
5 | 132012443340 |
6 | 12052520143 |
7 | 2015213100 |
oct | 471315077 |
9 | 181527870 |
10 | 82156095 |
11 | 424140aa |
12 | 23620053 |
13 | 14036898 |
14 | aca83a7 |
15 | 732c830 |
hex | 4e59a3f |
82156095 has 144 divisors (see below), whose sum is σ = 182463840. Its totient is φ = 33965568.
The previous prime is 82156093. The next prime is 82156103. The reversal of 82156095 is 59065128.
It is a happy number.
82156095 is a `hidden beast` number, since 8 + 2 + 1 + 560 + 95 = 666.
It is a Cunningham number, because it is equal to 90642-1.
It is not a de Polignac number, because 82156095 - 21 = 82156093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82156093) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1550089 + ... + 1550141.
It is an arithmetic number, because the mean of its divisors is an integer number (1267110).
Almost surely, 282156095 is an apocalyptic number.
82156095 is an abundant number, since it is smaller than the sum of its proper divisors (100307745).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82156095 is a wasteful number, since it uses less digits than its factorization.
82156095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134 (or 124 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 36.
The square root of 82156095 is about 9063.9999448367. Note that the first 4 decimals coincide. The cubic root of 82156095 is about 434.7236453178.
The spelling of 82156095 in words is "eighty-two million, one hundred fifty-six thousand, ninety-five".
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