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682242081 = 3297841863
BaseRepresentation
bin101000101010100…
…011000000100001
31202112202111012020
4220222203000201
52344123221311
6151410452053
722622650653
oct5052430041
91675674166
10682242081
11320120634
12170594029
13ab462651
14668746d3
153ed65c06
hex28aa3021

682242081 has 8 divisors (see below), whose sum is σ = 941023680. Its totient is φ = 439144272.

The previous prime is 682242037. The next prime is 682242089. The reversal of 682242081 is 180242286.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 682242081 - 27 = 682241953 is a prime.

It is a super-2 number, since 2×6822420812 = 930908514174421122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (682242089) 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, 3920845 + ... + 3921018.

It is an arithmetic number, because the mean of its divisors is an integer number (117627960).

Almost surely, 2682242081 is an apocalyptic number.

It is an amenable number.

682242081 is a deficient number, since it is larger than the sum of its proper divisors (258781599).

682242081 is a wasteful number, since it uses less digits than its factorization.

682242081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841895.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 682242081 is about 26119.7641834684. The cubic root of 682242081 is about 880.3313494798.

The spelling of 682242081 in words is "six hundred eighty-two million, two hundred forty-two thousand, eighty-one".

Divisors: 1 3 29 87 7841863 23525589 227414027 682242081