Base | Representation |
---|---|
bin | 11110101110100100101001 |
3 | 120011020111100 |
4 | 132232210221 |
5 | 4030230311 |
6 | 444352013 |
7 | 125316126 |
oct | 36564451 |
9 | 16136440 |
10 | 8055081 |
11 | 46019a1 |
12 | 2845609 |
13 | 1890528 |
14 | 10d974d |
15 | a91a56 |
hex | 7ae929 |
8055081 has 6 divisors (see below), whose sum is σ = 11635130. Its totient is φ = 5370048.
The previous prime is 8055049. The next prime is 8055101. The reversal of 8055081 is 1805508.
It can be written as a sum of positive squares in only one way, i.e., 5546025 + 2509056 = 2355^2 + 1584^2 .
It is not a de Polignac number, because 8055081 - 25 = 8055049 is a prime.
It is a super-2 number, since 2×80550812 = 129768659833122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8055581) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447496 + ... + 447513.
Almost surely, 28055081 is an apocalyptic number.
It is an amenable number.
8055081 is a deficient number, since it is larger than the sum of its proper divisors (3580049).
8055081 is a wasteful number, since it uses less digits than its factorization.
8055081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 895015 (or 895012 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 27.
The square root of 8055081 is about 2838.1474591712. The cubic root of 8055081 is about 200.4579589012.
It can be divided in two parts, 805 and 5081, that added together give a triangular number (5886 = T108).
The spelling of 8055081 in words is "eight million, fifty-five thousand, eighty-one".
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