Base | Representation |
---|---|
bin | 111010010110111… |
… | …001101101101011 |
3 | 2112020022112010200 |
4 | 322112321231223 |
5 | 4001121111331 |
6 | 241053043243 |
7 | 33156026511 |
oct | 7226715553 |
9 | 2466275120 |
10 | 979082091 |
11 | 462736959 |
12 | 233a86523 |
13 | 127ac5020 |
14 | 940644b1 |
15 | 5ae4d5e6 |
hex | 3a5b9b6b |
979082091 has 48 divisors (see below), whose sum is σ = 1590013152. Its totient is φ = 576576000.
The previous prime is 979082081. The next prime is 979082107. The reversal of 979082091 is 190280979.
It is not a de Polignac number, because 979082091 - 217 = 978951019 is a prime.
It is not an unprimeable number, because it can be changed into a prime (979082081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252316 + ... + 256166.
It is an arithmetic number, because the mean of its divisors is an integer number (33125274).
Almost surely, 2979082091 is an apocalyptic number.
979082091 is a deficient number, since it is larger than the sum of its proper divisors (610931061).
979082091 is a wasteful number, since it uses less digits than its factorization.
979082091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3964 (or 3961 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 45.
The square root of 979082091 is about 31290.2874866947. The cubic root of 979082091 is about 992.9781730187.
It can be divided in two parts, 97908 and 2091, that added together give a palindrome (99999).
The spelling of 979082091 in words is "nine hundred seventy-nine million, eighty-two thousand, ninety-one".
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