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2284128 = 2532711103
BaseRepresentation
bin1000101101101001100000
311022001020100
420231221200
51041043003
6120542400
725262160
oct10555140
94261210
102284128
111320110
12921a00
1361c872
144365a0
15301ba3
hex22da60

2284128 has 144 divisors (see below), whose sum is σ = 8176896. Its totient is φ = 587520.

The previous prime is 2284109. The next prime is 2284133. The reversal of 2284128 is 8214822.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22125 + ... + 22227.

It is an arithmetic number, because the mean of its divisors is an integer number (56784).

22284128 is an apocalyptic number.

2284128 is a gapful number since it is divisible by the number (28) 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 2284128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4088448).

2284128 is an abundant number, since it is smaller than the sum of its proper divisors (5892768).

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

2284128 is a wasteful number, since it uses less digits than its factorization.

2284128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 126 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2284128 is about 1511.3331862961. Note that the first 3 decimals coincide. The cubic root of 2284128 is about 131.6962713611.

It can be divided in two parts, 228 and 4128, that added together give a square (4356 = 662).

The spelling of 2284128 in words is "two million, two hundred eighty-four thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 56 63 66 72 77 84 88 96 99 103 112 126 132 144 154 168 176 198 206 224 231 252 264 288 308 309 336 352 396 412 462 504 528 616 618 672 693 721 792 824 924 927 1008 1056 1133 1232 1236 1386 1442 1584 1648 1848 1854 2016 2163 2266 2464 2472 2772 2884 3168 3296 3399 3696 3708 4326 4532 4944 5544 5768 6489 6798 7392 7416 7931 8652 9064 9888 10197 11088 11536 12978 13596 14832 15862 17304 18128 20394 22176 23072 23793 25956 27192 29664 31724 34608 36256 40788 47586 51912 54384 63448 69216 71379 81576 95172 103824 108768 126896 142758 163152 190344 207648 253792 285516 326304 380688 571032 761376 1142064 2284128