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2285939856 = 243194371821
BaseRepresentation
bin1000100001000000…
…1010110010010000
312220022101202222010
42020100022302100
514140200033411
61014455342520
7110435111454
oct21020126220
95808352863
102285939856
11a733984a2
12539681a40
132a5791545
1417984c664
15d5a457a6
hex8840ac90

2285939856 has 160 divisors (see below), whose sum is σ = 6458158080. Its totient is φ = 694310400.

The previous prime is 2285939839. The next prime is 2285939923. The reversal of 2285939856 is 6589395822.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 2285939796 and 2285939805.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2783926 + ... + 2784746.

It is an arithmetic number, because the mean of its divisors is an integer number (40363488).

Almost surely, 22285939856 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 2285939856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3229079040).

2285939856 is an abundant number, since it is smaller than the sum of its proper divisors (4172218224).

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

2285939856 is a wasteful number, since it uses less digits than its factorization.

2285939856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 959 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 57.

The square root of 2285939856 is about 47811.5033856916. The cubic root of 2285939856 is about 1317.3108429843.

The spelling of 2285939856 in words is "two billion, two hundred eighty-five million, nine hundred thirty-nine thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 43 48 57 71 76 86 114 129 142 152 172 213 228 258 284 304 344 426 456 516 568 688 817 821 852 912 1032 1136 1349 1634 1642 1704 2064 2451 2463 2698 3053 3268 3284 3408 4047 4902 4926 5396 6106 6536 6568 8094 9159 9804 9852 10792 12212 13072 13136 15599 16188 18318 19608 19704 21584 24424 31198 32376 35303 36636 39216 39408 46797 48848 58007 58291 62396 64752 70606 73272 93594 105909 116014 116582 124792 141212 146544 174021 174873 187188 211818 232028 233164 249584 282424 348042 349746 374376 423636 464056 466328 564848 670757 696084 699492 748752 847272 928112 932656 1107529 1341514 1392168 1398984 1694544 2012271 2215058 2506513 2683028 2784336 2797968 3322587 4024542 4430116 5013026 5366056 6645174 7519539 8049084 8860232 10026052 10732112 13290348 15039078 16098168 17720464 20052104 26580696 30078156 32196336 40104208 47623747 53161392 60156312 95247494 120312624 142871241 190494988 285742482 380989976 571484964 761979952 1142969928 2285939856