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2628288 = 2635132
BaseRepresentation
bin1010000001101011000000
311221112100000
422001223000
51133101123
6132200000
731224435
oct12015300
94845300
102628288
111535743
12a69000
13710400
144c5b8c
1536db43
hex281ac0

2628288 has 126 divisors (see below), whose sum is σ = 8459724. Its totient is φ = 808704.

The previous prime is 2628277. The next prime is 2628331. The reversal of 2628288 is 8828262.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2628288 is a `hidden beast` number, since 2 + 628 + 28 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is an Ulam number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 202170 + ... + 202182.

22628288 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 2628288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4229862).

2628288 is an abundant number, since it is smaller than the sum of its proper divisors (5831436).

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

2628288 is an equidigital number, since it uses as much as digits as its factorization.

2628288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 18 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 2628288 is about 1621.1995558845. The cubic root of 2628288 is about 138.0037806148.

It can be divided in two parts, 2628 and 288, that added together give a square (2916 = 542).

The spelling of 2628288 in words is "two million, six hundred twenty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 104 108 117 144 156 162 169 192 208 216 234 243 288 312 324 338 351 416 432 468 486 507 576 624 648 676 702 832 864 936 972 1014 1053 1248 1296 1352 1404 1521 1728 1872 1944 2028 2106 2496 2592 2704 2808 3042 3159 3744 3888 4056 4212 4563 5184 5408 5616 6084 6318 7488 7776 8112 8424 9126 10816 11232 12168 12636 13689 15552 16224 16848 18252 22464 24336 25272 27378 32448 33696 36504 41067 48672 50544 54756 67392 73008 82134 97344 101088 109512 146016 164268 202176 219024 292032 328536 438048 657072 876096 1314144 2628288