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806025 = 35211977
BaseRepresentation
bin11000100110010001001
31111221122210
43010302021
5201243100
625135333
76564633
oct3046211
91457583
10806025
11500640
1232a549
13222b4c
1416da53
1510dc50
hexc4c89

806025 has 24 divisors (see below), whose sum is σ = 1455264. Its totient is φ = 390400.

The previous prime is 806023. The next prime is 806027. The reversal of 806025 is 520608.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (806023) and next prime (806027).

It is not a de Polignac number, because 806025 - 21 = 806023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 805992 and 806010.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 806025.

It is not an unprimeable number, because it can be changed into a prime (806023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337 + ... + 1313.

It is an arithmetic number, because the mean of its divisors is an integer number (60636).

2806025 is an apocalyptic number.

It is an amenable number.

806025 is a deficient number, since it is larger than the sum of its proper divisors (649239).

806025 is a wasteful number, since it uses less digits than its factorization.

806025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 806025 is about 897.7889507006. The cubic root of 806025 is about 93.0642405036.

It can be divided in two parts, 80 and 6025, that added together give a triangular number (6105 = T110).

The spelling of 806025 in words is "eight hundred six thousand, twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 977 2931 4885 10747 14655 24425 32241 53735 73275 161205 268675 806025