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8768000 = 2953137
BaseRepresentation
bin100001011100…
…101000000000
3121111110102202
4201130220000
54221034000
6511532332
7134345453
oct41345000
917443382
108768000
114a4958a
122b2a0a8
131a7cb87
14124349a
15b82dd5
hex85ca00

8768000 has 80 divisors (see below), whose sum is σ = 22023144. Its totient is φ = 3481600.

The previous prime is 8767999. The next prime is 8768017. The reversal of 8768000 is 8678.

It can be written as a sum of positive squares in 4 ways, for example, as 2930944 + 5837056 = 1712^2 + 2416^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63932 + ... + 64068.

Almost surely, 28768000 is an apocalyptic number.

8768000 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 8768000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11011572).

8768000 is an abundant number, since it is smaller than the sum of its proper divisors (13255144).

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

8768000 is an equidigital number, since it uses as much as digits as its factorization.

8768000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 8768000 is about 2961.0808837315. The cubic root of 8768000 is about 206.2054694190.

The spelling of 8768000 in words is "eight million, seven hundred sixty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 137 160 200 250 256 274 320 400 500 512 548 640 685 800 1000 1096 1280 1370 1600 2000 2192 2560 2740 3200 3425 4000 4384 5480 6400 6850 8000 8768 10960 12800 13700 16000 17125 17536 21920 27400 32000 34250 35072 43840 54800 64000 68500 70144 87680 109600 137000 175360 219200 274000 350720 438400 548000 876800 1096000 1753600 2192000 4384000 8768000