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682455389 = 72111399109
BaseRepresentation
bin101000101011010…
…111000101011101
31202120011022210112
4220223113011131
52344202033024
6151415215405
722624526600
oct5053270535
91676138715
10682455389
11320256920
12170677565
13ab508775
14668cc337
153eda900e
hex28ad715d

682455389 has 24 divisors (see below), whose sum is σ = 872373600. Its totient is φ = 527899680.

The previous prime is 682455383. The next prime is 682455391. The reversal of 682455389 is 983554286.

It is not a de Polignac number, because 682455389 - 212 = 682451293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682455383) 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, 70367 + ... + 79475.

It is an arithmetic number, because the mean of its divisors is an integer number (36348900).

Almost surely, 2682455389 is an apocalyptic number.

It is an amenable number.

682455389 is a deficient number, since it is larger than the sum of its proper divisors (189918211).

682455389 is a wasteful number, since it uses less digits than its factorization.

682455389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9273 (or 9266 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 682455389 is about 26123.8471324573. The cubic root of 682455389 is about 880.4230872748.

The spelling of 682455389 in words is "six hundred eighty-two million, four hundred fifty-five thousand, three hundred eighty-nine".

Divisors: 1 7 11 49 77 139 539 973 1529 6811 9109 10703 63763 74921 100199 446341 701393 1266151 4909751 8863057 13927661 62041399 97493627 682455389