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805049 = 7196053
BaseRepresentation
bin11000100100010111001
31111220022122
43010202321
5201230144
625131025
76562040
oct3044271
91456278
10805049
114aa933
12329a75
1322257b
1416d557
1510d7ee
hexc48b9

805049 has 8 divisors (see below), whose sum is σ = 968640. Its totient is φ = 653616.

The previous prime is 805037. The next prime is 805061. The reversal of 805049 is 940508.

It is an interprime number because it is at equal distance from previous prime (805037) and next prime (805061).

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 805049 - 24 = 805033 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (805019) 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, 2894 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (121080).

2805049 is an apocalyptic number.

It is an amenable number.

805049 is a deficient number, since it is larger than the sum of its proper divisors (163591).

805049 is a wasteful number, since it uses less digits than its factorization.

805049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 805049 is about 897.2452284632. The cubic root of 805049 is about 93.0266621054.

The spelling of 805049 in words is "eight hundred five thousand, forty-nine".

Divisors: 1 7 19 133 6053 42371 115007 805049