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8242315872 = 253721752193
BaseRepresentation
bin1111010110100011…
…11100001001100000
3210021102101000210020
413223101330021200
5113340013101442
63441513233440
7411152346300
oct75321741140
923242330706
108242315872
11354a6329aa
121720402880
13a147c50ab
14582943600
153339129ec
hex1eb47c260

8242315872 has 72 divisors (see below), whose sum is σ = 25168514616. Its totient is φ = 2354946048.

The previous prime is 8242315849. The next prime is 8242315891. The reversal of 8242315872 is 2785132428.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871393 + ... + 880800.

It is an arithmetic number, because the mean of its divisors is an integer number (349562703).

Almost surely, 28242315872 is an apocalyptic number.

It is an amenable number.

8242315872 is an abundant number, since it is smaller than the sum of its proper divisors (16926198744).

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

8242315872 is a wasteful number, since it uses less digits than its factorization.

8242315872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752220 (or 1752205 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 8242315872 is about 90787.2010362694. The cubic root of 8242315872 is about 2019.9924739124.

The spelling of 8242315872 in words is "eight billion, two hundred forty-two million, three hundred fifteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1176 1568 2352 4704 1752193 3504386 5256579 7008772 10513158 12265351 14017544 21026316 24530702 28035088 36796053 42052632 49061404 56070176 73592106 84105264 85857457 98122808 147184212 168210528 171714914 196245616 257572371 294368424 343429828 392491232 515144742 588736848 686859656 1030289484 1177473696 1373719312 2060578968 2747438624 4121157936 8242315872