Base | Representation |
---|---|
bin | 1010000001011… |
… | …11101010011110 |
3 | 12212012202212121 |
4 | 11000233222132 |
5 | 133011100220 |
6 | 12202053154 |
7 | 2040452005 |
oct | 500575236 |
9 | 185182777 |
10 | 84081310 |
11 | 43509595 |
12 | 241aa1ba |
13 | 1455bc71 |
14 | b249c3c |
15 | 75aceaa |
hex | 502fa9e |
84081310 has 8 divisors (see below), whose sum is σ = 151346376. Its totient is φ = 33632520.
The previous prime is 84081301. The next prime is 84081311. The reversal of 84081310 is 1318048.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×840813102 = 14139333382632200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84081311) 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, 4204056 + ... + 4204075.
It is an arithmetic number, because the mean of its divisors is an integer number (18918297).
Almost surely, 284081310 is an apocalyptic number.
84081310 is a deficient number, since it is larger than the sum of its proper divisors (67265066).
84081310 is a wasteful number, since it uses less digits than its factorization.
84081310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8408138.
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 84081310 is about 9169.5861411516. The cubic root of 84081310 is about 438.0931774271.
Adding to 84081310 its reverse (1318048), we get a palindrome (85399358).
The spelling of 84081310 in words is "eighty-four million, eighty-one thousand, three hundred ten".
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