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5728506642 = 2321392289571
BaseRepresentation
bin1010101010111001…
…00001001100010010
3112210020012021210200
411111130201030102
543212444203032
62344233440030
7261646334355
oct52534411422
915706167720
105728506642
11247a657911
12113a570016
13703a6c301
143c4b3a29c
15237daa47c
hex155721312

5728506642 has 24 divisors (see below), whose sum is σ = 12501063120. Its totient is φ = 1895763960.

The previous prime is 5728506599. The next prime is 5728506649. The reversal of 5728506642 is 2466058275.

It is not an unprimeable number, because it can be changed into a prime (5728506649) 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, 1142284 + ... + 1147287.

It is an arithmetic number, because the mean of its divisors is an integer number (520877630).

Almost surely, 25728506642 is an apocalyptic number.

5728506642 is an abundant number, since it is smaller than the sum of its proper divisors (6772556478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5728506642 is a wasteful number, since it uses less digits than its factorization.

5728506642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289718 (or 2289715 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 5728506642 is about 75686.8987474054. The cubic root of 5728506642 is about 1789.2889243088.

The spelling of 5728506642 in words is "five billion, seven hundred twenty-eight million, five hundred six thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 139 278 417 834 1251 2502 2289571 4579142 6868713 13737426 20606139 41212278 318250369 636500738 954751107 1909502214 2864253321 5728506642