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8683960 = 235613559
BaseRepresentation
bin100001001000…
…000110111000
3121100012011011
4201020012320
54210341320
6510043304
7133545445
oct41100670
917305134
108683960
1149a142a
122aa9534
131a5084c
1412209cc
15b6805a
hex8481b8

8683960 has 32 divisors (see below), whose sum is σ = 19864800. Its totient is φ = 3415680.

The previous prime is 8683943. The next prime is 8684003. The reversal of 8683960 is 693868.

8683960 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×86839602 = 150822322563200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661 + ... + 4219.

It is an arithmetic number, because the mean of its divisors is an integer number (620775).

Almost surely, 28683960 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 8683960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9932400).

8683960 is an abundant number, since it is smaller than the sum of its proper divisors (11180840).

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

8683960 is a wasteful number, since it uses less digits than its factorization.

8683960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631 (or 3627 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 8683960 is about 2946.8559516882. The cubic root of 8683960 is about 205.5445368116.

The spelling of 8683960 in words is "eight million, six hundred eighty-three thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 2440 3559 7118 14236 17795 28472 35590 71180 142360 217099 434198 868396 1085495 1736792 2170990 4341980 8683960