Base | Representation |
---|---|
bin | 110000000000000… |
… | …110000000010001 |
3 | 2002010101001101122 |
4 | 300000012000101 |
5 | 3122131042321 |
6 | 211525012025 |
7 | 25646125451 |
oct | 6000060021 |
9 | 2063331348 |
10 | 805330961 |
11 | 383652086 |
12 | 1a5854015 |
13 | caacb4c6 |
14 | 78d55d61 |
15 | 4aa7b8ab |
hex | 30006011 |
805330961 has 8 divisors (see below), whose sum is σ = 824445600. Its totient is φ = 786233952.
The previous prime is 805330951. The next prime is 805330969. The reversal of 805330961 is 169033508.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 805330961 - 210 = 805329937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (805330969) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155390 + ... + 160488.
It is an arithmetic number, because the mean of its divisors is an integer number (103055700).
Almost surely, 2805330961 is an apocalyptic number.
It is an amenable number.
805330961 is a deficient number, since it is larger than the sum of its proper divisors (19114639).
805330961 is a wasteful number, since it uses less digits than its factorization.
805330961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8815.
The product of its (nonzero) digits is 19440, while the sum is 35.
The square root of 805330961 is about 28378.3537401309. The cubic root of 805330961 is about 930.3752141501.
The spelling of 805330961 in words is "eight hundred five million, three hundred thirty thousand, nine hundred sixty-one".
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