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4528128 = 21131167
BaseRepresentation
bin10001010001100000000000
322112001102110
4101101200000
52124400003
6241015320
753326353
oct21214000
98461373
104528128
112613060
121624540
13c27087
1485c29a
155e6a03
hex451800

4528128 has 96 divisors (see below), whose sum is σ = 13366080. Its totient is φ = 1351680.

The previous prime is 4528109. The next prime is 4528141. The reversal of 4528128 is 8218254.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 4528095 and 4528104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67551 + ... + 67617.

It is an arithmetic number, because the mean of its divisors is an integer number (139230).

Almost surely, 24528128 is an apocalyptic number.

4528128 is a gapful number since it is divisible by the number (48) 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 4528128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6683040).

4528128 is an abundant number, since it is smaller than the sum of its proper divisors (8837952).

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

4528128 is a wasteful number, since it uses less digits than its factorization.

4528128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 83 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 4528128 is about 2127.9398487739. The cubic root of 4528128 is about 165.4396356495.

It can be divided in two parts, 4528 and 128, that added together give a triangular number (4656 = T96).

The spelling of 4528128 in words is "four million, five hundred twenty-eight thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 67 88 96 128 132 134 176 192 201 256 264 268 352 384 402 512 528 536 704 737 768 804 1024 1056 1072 1408 1474 1536 1608 2048 2112 2144 2211 2816 2948 3072 3216 4224 4288 4422 5632 5896 6144 6432 8448 8576 8844 11264 11792 12864 16896 17152 17688 22528 23584 25728 33792 34304 35376 47168 51456 67584 68608 70752 94336 102912 137216 141504 188672 205824 283008 377344 411648 566016 754688 1132032 1509376 2264064 4528128