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682252785 = 32515161173
BaseRepresentation
bin101000101010100…
…101100111110001
31202112210000212200
4220222211213301
52344124042120
6151411013413
722623024114
oct5052454761
91675700780
10682252785
11320128685
1217059a269
13ab467496
146687857b
153ed68e90
hex28aa59f1

682252785 has 12 divisors (see below), whose sum is σ = 1182571572. Its totient is φ = 363868128.

The previous prime is 682252757. The next prime is 682252787. The reversal of 682252785 is 587252286.

682252785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 397284624 + 284968161 = 19932^2 + 16881^2 .

It is not a de Polignac number, because 682252785 - 210 = 682251761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 15161173 = 682252785 / (6 + 8 + 2 + 2 + 5 + 2 + 7 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 682252785.

It is not an unprimeable number, because it can be changed into a prime (682252787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7580542 + ... + 7580631.

It is an arithmetic number, because the mean of its divisors is an integer number (98547631).

Almost surely, 2682252785 is an apocalyptic number.

It is an amenable number.

682252785 is a deficient number, since it is larger than the sum of its proper divisors (500318787).

682252785 is a wasteful number, since it uses less digits than its factorization.

682252785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161184 (or 15161181 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 682252785 is about 26119.9690849740. The cubic root of 682252785 is about 880.3359534260.

The spelling of 682252785 in words is "six hundred eighty-two million, two hundred fifty-two thousand, seven hundred eighty-five".

Divisors: 1 3 5 9 15 45 15161173 45483519 75805865 136450557 227417595 682252785