Base | Representation |
---|---|
bin | 1010001000001… |
… | …10111100001001 |
3 | 12220212120102210 |
4 | 11010012330021 |
5 | 133222304311 |
6 | 12233015333 |
7 | 2051113530 |
oct | 504067411 |
9 | 186776383 |
10 | 84963081 |
11 | 43a61025 |
12 | 24554549 |
13 | 147aa418 |
14 | b3d9317 |
15 | 76d43a6 |
hex | 5106f09 |
84963081 has 32 divisors (see below), whose sum is σ = 137687040. Its totient is φ = 45549504.
The previous prime is 84963071. The next prime is 84963089. The reversal of 84963081 is 18036948.
It is not a de Polignac number, because 84963081 - 221 = 82865929 is a prime.
It is a super-2 number, since 2×849630812 = 14437450266025122, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (84963089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23940 + ... + 27258.
It is an arithmetic number, because the mean of its divisors is an integer number (4302720).
Almost surely, 284963081 is an apocalyptic number.
It is an amenable number.
84963081 is a deficient number, since it is larger than the sum of its proper divisors (52723959).
84963081 is a wasteful number, since it uses less digits than its factorization.
84963081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3405.
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 84963081 is about 9217.5420259416. The cubic root of 84963081 is about 439.6193005248.
The spelling of 84963081 in words is "eighty-four million, nine hundred sixty-three thousand, eighty-one".
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