Base | Representation |
---|---|
bin | 1001111001000… |
… | …10100100001101 |
3 | 12210010202220110 |
4 | 10330202210031 |
5 | 132220312320 |
6 | 12122310233 |
7 | 2025211350 |
oct | 474424415 |
9 | 183122813 |
10 | 82979085 |
11 | 42926462 |
12 | 23958379 |
13 | 14264367 |
14 | b040297 |
15 | 74415e0 |
hex | 4f2290d |
82979085 has 16 divisors (see below), whose sum is σ = 151733376. Its totient is φ = 37933248.
The previous prime is 82979069. The next prime is 82979131. The reversal of 82979085 is 58097928.
It is a happy number.
It is not a de Polignac number, because 82979085 - 24 = 82979069 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395034 + ... + 395243.
It is an arithmetic number, because the mean of its divisors is an integer number (9483336).
Almost surely, 282979085 is an apocalyptic number.
It is an amenable number.
82979085 is a deficient number, since it is larger than the sum of its proper divisors (68754291).
82979085 is a wasteful number, since it uses less digits than its factorization.
82979085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790292.
The product of its (nonzero) digits is 362880, while the sum is 48.
The square root of 82979085 is about 9109.2856470746. The cubic root of 82979085 is about 436.1704244257.
The spelling of 82979085 in words is "eighty-two million, nine hundred seventy-nine thousand, eighty-five".
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