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8371680 = 2535107163
BaseRepresentation
bin11111111011110111100000
3120202022210020
4133323313200
54120343210
6455233440
7131105142
oct37736740
916668706
108371680
1147a8849
122978880
131971675
14117cc92
15b05770
hex7fbde0

8371680 has 96 divisors (see below), whose sum is σ = 26780544. Its totient is φ = 2198016.

The previous prime is 8371679. The next prime is 8371703. The reversal of 8371680 is 861738.

8371680 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51279 + ... + 51441.

It is an arithmetic number, because the mean of its divisors is an integer number (278964).

Almost surely, 28371680 is an apocalyptic number.

8371680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8371680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13390272).

8371680 is an abundant number, since it is smaller than the sum of its proper divisors (18408864).

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

8371680 is a wasteful number, since it uses less digits than its factorization.

8371680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 8371680 is about 2893.3855602045. The cubic root of 8371680 is about 203.0505669688.

The spelling of 8371680 in words is "eight million, three hundred seventy-one thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 107 120 160 163 214 240 321 326 428 480 489 535 642 652 815 856 978 1070 1284 1304 1605 1630 1712 1956 2140 2445 2568 2608 3210 3260 3424 3912 4280 4890 5136 5216 6420 6520 7824 8560 9780 10272 12840 13040 15648 17120 17441 19560 25680 26080 34882 39120 51360 52323 69764 78240 87205 104646 139528 174410 209292 261615 279056 348820 418584 523230 558112 697640 837168 1046460 1395280 1674336 2092920 2790560 4185840 8371680