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3868947360 = 253254362483
BaseRepresentation
bin1110011010011011…
…0111001110100000
3100222122002220000200
43212212313032200
530410422303420
61435524545200
7164606336625
oct34646671640
910878086020
103868947360
111705a13463
128bb852200
13498727a85
14289b9c34c
151799d9b90
hexe69b73a0

3868947360 has 144 divisors (see below), whose sum is σ = 13510040544. Its totient is φ = 1007709696.

The previous prime is 3868947359. The next prime is 3868947421. The reversal of 3868947360 is 637498683.

3868947360 is a `hidden beast` number, since 38 + 6 + 89 + 473 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 3868947297 and 3868947306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30679 + ... + 93161.

It is an arithmetic number, because the mean of its divisors is an integer number (93819726).

Almost surely, 23868947360 is an apocalyptic number.

3868947360 is a gapful number since it is divisible by the number (30) 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 3868947360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6755020272).

3868947360 is an abundant number, since it is smaller than the sum of its proper divisors (9641093184).

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

3868947360 is a wasteful number, since it uses less digits than its factorization.

3868947360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62547 (or 62536 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 3868947360 is about 62200.8630165209. The cubic root of 3868947360 is about 1569.8721088029.

The spelling of 3868947360 in words is "three billion, eight hundred sixty-eight million, nine hundred forty-seven thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 43 45 48 60 72 80 86 90 96 120 129 144 160 172 180 215 240 258 288 344 360 387 430 480 516 645 688 720 774 860 1032 1290 1376 1440 1548 1720 1935 2064 2580 3096 3440 3870 4128 5160 6192 6880 7740 10320 12384 15480 20640 30960 61920 62483 124966 187449 249932 312415 374898 499864 562347 624830 749796 937245 999728 1124694 1249660 1499592 1874490 1999456 2249388 2499320 2686769 2811735 2999184 3748980 4498776 4998640 5373538 5623470 5998368 7497960 8060307 8997552 9997280 10747076 11246940 13433845 14995920 16120614 17995104 21494152 22493880 24180921 26867690 29991840 32241228 40301535 42988304 44987760 48361842 53735380 64482456 80603070 85976608 89975520 96723684 107470760 120904605 128964912 161206140 193447368 214941520 241809210 257929824 322412280 386894736 429883040 483618420 644824560 773789472 967236840 1289649120 1934473680 3868947360