Base | Representation |
---|---|
bin | 1001110101010… |
… | …00111110101110 |
3 | 12202012110202110 |
4 | 10322220332232 |
5 | 132103343240 |
6 | 12103504450 |
7 | 2021035410 |
oct | 472507656 |
9 | 182173673 |
10 | 82481070 |
11 | 42616281 |
12 | 23758126 |
13 | 1411b789 |
14 | ad509b0 |
15 | 7393c80 |
hex | 4ea8fae |
82481070 has 32 divisors (see below), whose sum is σ = 226234368. Its totient is φ = 18852768.
The previous prime is 82481041. The next prime is 82481101. The reversal of 82481070 is 7018428.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 196174 + ... + 196593.
It is an arithmetic number, because the mean of its divisors is an integer number (7069824).
Almost surely, 282481070 is an apocalyptic number.
82481070 is an abundant number, since it is smaller than the sum of its proper divisors (143753298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82481070 is a wasteful number, since it uses less digits than its factorization.
82481070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392784.
The product of its (nonzero) digits is 3584, while the sum is 30.
The square root of 82481070 is about 9081.9089403054. The cubic root of 82481070 is about 435.2960859097.
Adding to 82481070 its reverse (7018428), we get a palindrome (89499498).
The spelling of 82481070 in words is "eighty-two million, four hundred eighty-one thousand, seventy".
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