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8727021344 = 255910942407
BaseRepresentation
bin10000010000010101…
…11100011100100000
3211112012102121200202
420020022330130200
5120333104140334
64001550204332
7426156312626
oct101012743440
924465377622
108727021344
1137791a3338
1218367b36a8
13a91053772
145cb077516
1536125917e
hex2082bc720

8727021344 has 48 divisors (see below), whose sum is σ = 17633246400. Its totient is φ = 4250098944.

The previous prime is 8727021343. The next prime is 8727021361. The reversal of 8727021344 is 4431207278.

It is a junction number, because it is equal to n+sod(n) for n = 8727021298 and 8727021307.

It is not an unprimeable number, because it can be changed into a prime (8727021341) 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, 184589 + ... + 226995.

It is an arithmetic number, because the mean of its divisors is an integer number (367359300).

Almost surely, 28727021344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8727021344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8816623200).

8727021344 is an abundant number, since it is smaller than the sum of its proper divisors (8906225056).

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

8727021344 is a wasteful number, since it uses less digits than its factorization.

8727021344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42585 (or 42577 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 8727021344 is about 93418.5278411087. The cubic root of 8727021344 is about 2058.8372286095.

The spelling of 8727021344 in words is "eight billion, seven hundred twenty-seven million, twenty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 59 109 118 218 236 436 472 872 944 1744 1888 3488 6431 12862 25724 42407 51448 84814 102896 169628 205792 339256 678512 1357024 2502013 4622363 5004026 9244726 10008052 18489452 20016104 36978904 40032208 73957808 80064416 147915616 272719417 545438834 1090877668 2181755336 4363510672 8727021344