Base | Representation |
---|---|
bin | 10101010010010100110001 |
3 | 101111111102200 |
4 | 111102110301 |
5 | 2412030311 |
6 | 315333413 |
7 | 65300313 |
oct | 25222461 |
9 | 11444380 |
10 | 5580081 |
11 | 3171441 |
12 | 1a51269 |
13 | 1204b30 |
14 | a537b3 |
15 | 753556 |
hex | 552531 |
5580081 has 24 divisors (see below), whose sum is σ = 8921640. Its totient is φ = 3338496.
The previous prime is 5580079. The next prime is 5580083. The reversal of 5580081 is 1800855.
5580081 is a `hidden beast` number, since 5 + 580 + 0 + 81 = 666.
It is an interprime number because it is at equal distance from previous prime (5580079) and next prime (5580083).
It can be written as a sum of positive squares in 4 ways, for example, as 1742400 + 3837681 = 1320^2 + 1959^2 .
It is not a de Polignac number, because 5580081 - 21 = 5580079 is a prime.
It is a super-2 number, since 2×55800812 = 62274607933122, which contains 22 as substring.
5580081 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5580083) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3685 + ... + 4973.
It is an arithmetic number, because the mean of its divisors is an integer number (371735).
Almost surely, 25580081 is an apocalyptic number.
It is an amenable number.
5580081 is a deficient number, since it is larger than the sum of its proper divisors (3341559).
5580081 is a wasteful number, since it uses less digits than its factorization.
5580081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1345 (or 1342 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 27.
The square root of 5580081 is about 2362.2195071585. The cubic root of 5580081 is about 177.3700006934.
It can be divided in two parts, 558008 and 1, that added together give a square (558009 = 7472).
The spelling of 5580081 in words is "five million, five hundred eighty thousand, eighty-one".
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