Base | Representation |
---|---|
bin | 110000000000000… |
… | …000101101110101 |
3 | 2002010022221200102 |
4 | 300000000231311 |
5 | 3122124344201 |
6 | 211524323445 |
7 | 25646005346 |
oct | 6000005565 |
9 | 2063287612 |
10 | 805309301 |
11 | 383637885 |
12 | 1a5843585 |
13 | caac16a4 |
14 | 78d4c0cd |
15 | 4aa7526b |
hex | 30000b75 |
805309301 has 4 divisors (see below), whose sum is σ = 805392012. Its totient is φ = 805226592.
The previous prime is 805309273. The next prime is 805309343. The reversal of 805309301 is 103903508.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 413308900 + 392000401 = 20330^2 + 19799^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-805309301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (805309361) 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, 24446 + ... + 46991.
It is an arithmetic number, because the mean of its divisors is an integer number (201348003).
Almost surely, 2805309301 is an apocalyptic number.
It is an amenable number.
805309301 is a deficient number, since it is larger than the sum of its proper divisors (82711).
805309301 is a wasteful number, since it uses less digits than its factorization.
805309301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82710.
The product of its (nonzero) digits is 3240, while the sum is 29.
The square root of 805309301 is about 28377.9721086620. The cubic root of 805309301 is about 930.3668730213.
The spelling of 805309301 in words is "eight hundred five million, three hundred nine thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •