Base | Representation |
---|---|
bin | 110000000000001… |
… | …010111010011101 |
3 | 2002010102001222101 |
4 | 300000022322131 |
5 | 3122132213234 |
6 | 211525245101 |
7 | 25646241205 |
oct | 6000127235 |
9 | 2063361871 |
10 | 805351069 |
11 | 3836661a6 |
12 | 1a5863791 |
13 | cab076c3 |
14 | 78d5d405 |
15 | 4aa82814 |
hex | 3000ae9d |
805351069 has 8 divisors (see below), whose sum is σ = 831495168. Its totient is φ = 779516640.
The previous prime is 805351067. The next prime is 805351087. The reversal of 805351069 is 960153508.
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 805351069 - 21 = 805351067 is a prime.
It is a super-2 number, since 2×8053510692 = 1297180688678885522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (805351067) 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, 72127 + ... + 82540.
It is an arithmetic number, because the mean of its divisors is an integer number (103936896).
Almost surely, 2805351069 is an apocalyptic number.
It is an amenable number.
805351069 is a deficient number, since it is larger than the sum of its proper divisors (26144099).
805351069 is a wasteful number, since it uses less digits than its factorization.
805351069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154835.
The product of its (nonzero) digits is 32400, while the sum is 37.
The square root of 805351069 is about 28378.7080220365. The cubic root of 805351069 is about 930.3829574796.
The spelling of 805351069 in words is "eight hundred five million, three hundred fifty-one thousand, sixty-nine".
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