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805260713 = 1137126201
BaseRepresentation
bin101111111111110…
…100110110101001
32002010020111000212
4233333310312221
53122121320323
6211523310505
725645413605
oct5777646651
92063214025
10805260713
11383604324
121a581b435
13caaa553a
1478d38505
154aa65b78
hex2fff4da9

805260713 has 4 divisors (see below), whose sum is σ = 812387028. Its totient is φ = 798134400.

The previous prime is 805260691. The next prime is 805260727. The reversal of 805260713 is 317062508.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71284249 + 733976464 = 8443^2 + 27092^2 .

It is a cyclic number.

It is not a de Polignac number, because 805260713 - 28 = 805260457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 805260713.

It is not an unprimeable number, because it can be changed into a prime (805262713) 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, 3562988 + ... + 3563213.

It is an arithmetic number, because the mean of its divisors is an integer number (203096757).

Almost surely, 2805260713 is an apocalyptic number.

It is an amenable number.

805260713 is a deficient number, since it is larger than the sum of its proper divisors (7126315).

805260713 is a wasteful number, since it uses less digits than its factorization.

805260713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126314.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 805260713 is about 28377.1160092071. The cubic root of 805260713 is about 930.3481615462.

The spelling of 805260713 in words is "eight hundred five million, two hundred sixty thousand, seven hundred thirteen".

Divisors: 1 113 7126201 805260713