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4485888 = 28331159
BaseRepresentation
bin10001000111001100000000
322102220111000
4101013030000
52122022023
6240052000
753062251
oct21071400
98386430
104485888
112594350
121604000
13c10a94
1484ab28
155d9243
hex447300

4485888 has 144 divisors (see below), whose sum is σ = 14716800. Its totient is φ = 1336320.

The previous prime is 4485883. The next prime is 4485907. The reversal of 4485888 is 8885844.

It is a happy number.

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

It is a super-2 number, since 2×44858882 = 40246382297088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4485883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76003 + ... + 76061.

It is an arithmetic number, because the mean of its divisors is an integer number (102200).

Almost surely, 24485888 is an apocalyptic number.

4485888 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 4485888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7358400).

4485888 is an abundant number, since it is smaller than the sum of its proper divisors (10230912).

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

4485888 is a wasteful number, since it uses less digits than its factorization.

4485888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 75 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 4485888 is about 2117.9915013994. The cubic root of 4485888 is about 164.9236009945.

It can be divided in two parts, 448 and 5888, that added together give a palindrome (6336).

The spelling of 4485888 in words is "four million, four hundred eighty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 59 64 66 72 88 96 99 108 118 128 132 144 176 177 192 198 216 236 256 264 288 297 352 354 384 396 432 472 528 531 576 594 649 704 708 768 792 864 944 1056 1062 1152 1188 1298 1408 1416 1584 1593 1728 1888 1947 2112 2124 2304 2376 2596 2816 2832 3168 3186 3456 3776 3894 4224 4248 4752 5192 5664 5841 6336 6372 6912 7552 7788 8448 8496 9504 10384 11328 11682 12672 12744 15104 15576 16992 17523 19008 20768 22656 23364 25344 25488 31152 33984 35046 38016 41536 45312 46728 50976 62304 67968 70092 76032 83072 93456 101952 124608 135936 140184 166144 186912 203904 249216 280368 373824 407808 498432 560736 747648 1121472 1495296 2242944 4485888