Base | Representation |
---|---|
bin | 10100110100011110001101 |
3 | 101021021200221 |
4 | 110310132031 |
5 | 2344122210 |
6 | 312551341 |
7 | 64250653 |
oct | 24643615 |
9 | 11237627 |
10 | 5457805 |
11 | 3098591 |
12 | 19b2551 |
13 | 1191292 |
14 | a20dd3 |
15 | 72c1da |
hex | 53478d |
5457805 has 4 divisors (see below), whose sum is σ = 6549372. Its totient is φ = 4366240.
The previous prime is 5457773. The next prime is 5457811. The reversal of 5457805 is 5087545.
5457805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1340964 + 4116841 = 1158^2 + 2029^2 .
It is not a de Polignac number, because 5457805 - 25 = 5457773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545776 + ... + 545785.
It is an arithmetic number, because the mean of its divisors is an integer number (1637343).
Almost surely, 25457805 is an apocalyptic number.
It is an amenable number.
5457805 is a deficient number, since it is larger than the sum of its proper divisors (1091567).
5457805 is a wasteful number, since it uses less digits than its factorization.
5457805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1091566.
The product of its (nonzero) digits is 28000, while the sum is 34.
The square root of 5457805 is about 2336.1945552543. The cubic root of 5457805 is about 176.0648542842.
The spelling of 5457805 in words is "five million, four hundred fifty-seven thousand, eight hundred five".
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