Base | Representation |
---|---|
bin | 1001110011010… |
… | …11111011000010 |
3 | 12201201202200210 |
4 | 10321223323002 |
5 | 132022342403 |
6 | 12054254550 |
7 | 2015644314 |
oct | 471537302 |
9 | 181652623 |
10 | 82230978 |
11 | 42465395 |
12 | 23657456 |
13 | 140619ab |
14 | acc77b4 |
15 | 7344b03 |
hex | 4e6bec2 |
82230978 has 8 divisors (see below), whose sum is σ = 164461968. Its totient is φ = 27410324.
The previous prime is 82230971. The next prime is 82230991. The reversal of 82230978 is 87903228.
It is a sphenic number, since it is the product of 3 distinct primes.
82230978 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (82230971) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6852576 + ... + 6852587.
It is an arithmetic number, because the mean of its divisors is an integer number (20557746).
Almost surely, 282230978 is an apocalyptic number.
82230978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82230978 is a wasteful number, since it uses less digits than its factorization.
82230978 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13705168.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 82230978 is about 9068.1297961597. The cubic root of 82230978 is about 434.8556847208.
The spelling of 82230978 in words is "eighty-two million, two hundred thirty thousand, nine hundred seventy-eight".
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