Base | Representation |
---|---|
bin | 110000000011001… |
… | …100100101110001 |
3 | 2002011220101011212 |
4 | 300003030211301 |
5 | 3122333104434 |
6 | 211554245505 |
7 | 25656054062 |
oct | 6003144561 |
9 | 2064811155 |
10 | 806144369 |
11 | 384058218 |
12 | 1a5b86895 |
13 | cb024804 |
14 | 790c8569 |
15 | 4ab8c8ce |
hex | 300cc971 |
806144369 has 8 divisors (see below), whose sum is σ = 898489440. Its totient is φ = 718790976.
The previous prime is 806144359. The next prime is 806144393. The reversal of 806144369 is 963441608.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 806144369 - 212 = 806140273 is a prime.
It is a super-2 number, since 2×8061443692 = 1299737487340816322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (806144309) 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, 1247579 + ... + 1248224.
It is an arithmetic number, because the mean of its divisors is an integer number (112311180).
Almost surely, 2806144369 is an apocalyptic number.
It is an amenable number.
806144369 is a deficient number, since it is larger than the sum of its proper divisors (92345071).
806144369 is a wasteful number, since it uses less digits than its factorization.
806144369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2495839.
The product of its (nonzero) digits is 124416, while the sum is 41.
The square root of 806144369 is about 28392.6816098797. The cubic root of 806144369 is about 930.6883442102.
The spelling of 806144369 in words is "eight hundred six million, one hundred forty-four thousand, three hundred sixty-nine".
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