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8028288 = 273323101
BaseRepresentation
bin11110101000000010000000
3120002212202000
4132220002000
54023401123
6444024000
7125145042
oct36500200
916085660
108028288
114593854
122832000
131881288
1410cda92
15a88b43
hex7a8080

8028288 has 128 divisors (see below), whose sum is σ = 24969600. Its totient is φ = 2534400.

The previous prime is 8028277. The next prime is 8028289. The reversal of 8028288 is 8828208.

8028288 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is not an unprimeable number, because it can be changed into a prime (8028289) 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, 79438 + ... + 79538.

It is an arithmetic number, because the mean of its divisors is an integer number (195075).

Almost surely, 28028288 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 8028288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12484800).

8028288 is an abundant number, since it is smaller than the sum of its proper divisors (16941312).

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

8028288 is a wasteful number, since it uses less digits than its factorization.

8028288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 8028288 is about 2833.4233711184. The cubic root of 8028288 is about 200.2354560269.

The spelling of 8028288 in words is "eight million, twenty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 64 69 72 92 96 101 108 128 138 144 184 192 202 207 216 276 288 303 368 384 404 414 432 552 576 606 621 736 808 828 864 909 1104 1152 1212 1242 1472 1616 1656 1728 1818 2208 2323 2424 2484 2727 2944 3232 3312 3456 3636 4416 4646 4848 4968 5454 6464 6624 6969 7272 8832 9292 9696 9936 10908 12928 13248 13938 14544 18584 19392 19872 20907 21816 26496 27876 29088 37168 38784 39744 41814 43632 55752 58176 62721 74336 79488 83628 87264 111504 116352 125442 148672 167256 174528 223008 250884 297344 334512 349056 446016 501768 669024 892032 1003536 1338048 2007072 2676096 4014144 8028288