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2286216640 = 265167179239
BaseRepresentation
bin1000100001000100…
…1110010111000000
312220022220211122101
42020101032113000
514140232413030
61014505320144
7110440343431
oct21021162700
95808824571
102286216640
11a73567444
12539796054
132a585a516
141798c1488
15d5a9c7ca
hex8844e5c0

2286216640 has 112 divisors (see below), whose sum is σ = 5530291200. Its totient is φ = 900150272.

The previous prime is 2286216637. The next prime is 2286216641. The reversal of 2286216640 is 466126822.

It is a self number, because there is not a number n which added to its sum of digits gives 2286216640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286216641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9565641 + ... + 9565879.

It is an arithmetic number, because the mean of its divisors is an integer number (49377600).

Almost surely, 22286216640 is an apocalyptic number.

2286216640 is a gapful number since it is divisible by the number (20) 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 2286216640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2765145600).

2286216640 is an abundant number, since it is smaller than the sum of its proper divisors (3244074560).

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

2286216640 is a wasteful number, since it uses less digits than its factorization.

2286216640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2286216640 is about 47814.3978316155. The cubic root of 2286216640 is about 1317.3640079657.

The spelling of 2286216640 in words is "two billion, two hundred eighty-six million, two hundred sixteen thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 167 179 239 320 334 358 478 668 716 835 895 956 1195 1336 1432 1670 1790 1912 2390 2672 2864 3340 3580 3824 4780 5344 5728 6680 7160 7648 9560 10688 11456 13360 14320 15296 19120 26720 28640 29893 38240 39913 42781 53440 57280 59786 76480 79826 85562 119572 149465 159652 171124 199565 213905 239144 298930 319304 342248 399130 427810 478288 597860 638608 684496 798260 855620 956576 1195720 1277216 1368992 1596520 1711240 1913152 2391440 2554432 2737984 3193040 3422480 4782880 6386080 6844960 7144427 9565760 12772160 13689920 14288854 28577708 35722135 57155416 71444270 114310832 142888540 228621664 285777080 457243328 571554160 1143108320 2286216640