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805268 = 22375441
BaseRepresentation
bin11000100100110010100
31111220121202
43010212110
5201232033
625132032
76562502
oct3044624
91456552
10805268
11500012
1232a018
132226b9
1416d672
1510d8e8
hexc4994

805268 has 12 divisors (see below), whose sum is σ = 1447572. Its totient is φ = 391680.

The previous prime is 805267. The next prime is 805271. The reversal of 805268 is 862508.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 659344 + 145924 = 812^2 + 382^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 805268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2573 + ... + 2868.

It is an arithmetic number, because the mean of its divisors is an integer number (120631).

2805268 is an apocalyptic number.

It is an amenable number.

805268 is a deficient number, since it is larger than the sum of its proper divisors (642304).

805268 is a wasteful number, since it uses less digits than its factorization.

805268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482 (or 5480 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 805268 is about 897.3672603789. The cubic root of 805268 is about 93.0350967853.

The spelling of 805268 in words is "eight hundred five thousand, two hundred sixty-eight".

Divisors: 1 2 4 37 74 148 5441 10882 21764 201317 402634 805268