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102864000 = 273532143
BaseRepresentation
bin1100010000110…
…01010010000000
321011120000212210
412020121102000
5202313122000
614112422120
72356221021
oct610312200
9234500783
10102864000
1153078278
122a547940
1318407295
14d938c48
15906d350
hex6219480

102864000 has 128 divisors (see below), whose sum is σ = 341153280. Its totient is φ = 27417600.

The previous prime is 102863989. The next prime is 102864001. The reversal of 102864000 is 468201.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (102864001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46929 + ... + 49071.

It is an arithmetic number, because the mean of its divisors is an integer number (2665260).

Almost surely, 2102864000 is an apocalyptic number.

102864000 is a gapful number since it is divisible by the number (10) 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 102864000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170576640).

102864000 is an abundant number, since it is smaller than the sum of its proper divisors (238289280).

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

102864000 is an equidigital number, since it uses as much as digits as its factorization.

102864000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 102864000 is about 10142.1891128099. The cubic root of 102864000 is about 468.5484110956.

The spelling of 102864000 in words is "one hundred two million, eight hundred sixty-four thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 128 150 160 192 200 240 250 300 320 375 384 400 480 500 600 640 750 800 960 1000 1200 1500 1600 1920 2000 2143 2400 3000 3200 4000 4286 4800 6000 6429 8000 8572 9600 10715 12000 12858 16000 17144 21430 24000 25716 32145 34288 42860 48000 51432 53575 64290 68576 85720 102864 107150 128580 137152 160725 171440 205728 214300 257160 267875 274304 321450 342880 411456 428600 514320 535750 642900 685760 803625 822912 857200 1028640 1071500 1285800 1371520 1607250 1714400 2057280 2143000 2571600 3214500 3428800 4114560 4286000 5143200 6429000 6857600 8572000 10286400 12858000 17144000 20572800 25716000 34288000 51432000 102864000