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27868032 = 2732171423
BaseRepresentation
bin110101001001…
…1101110000000
31221102211202100
41222103232000
524113234112
62433150400
7455605623
oct152235600
957384670
1027868032
1114804735
1293bb400
135a0977a
1439b5dba
1526a72dc
hex1a93b80

27868032 has 96 divisors (see below), whose sum is σ = 84970080. Its totient is φ = 8736768.

The previous prime is 27868031. The next prime is 27868037. The reversal of 27868032 is 23086872.

It is a happy number.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27868031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18873 + ... + 20295.

It is an arithmetic number, because the mean of its divisors is an integer number (885105).

Almost surely, 227868032 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 27868032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42485040).

27868032 is an abundant number, since it is smaller than the sum of its proper divisors (57102048).

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

27868032 is a wasteful number, since it uses less digits than its factorization.

27868032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1445 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 27868032 is about 5279.0180905165. The cubic root of 27868032 is about 303.1810831434.

The spelling of 27868032 in words is "twenty-seven million, eight hundred sixty-eight thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 272 288 306 384 408 544 576 612 816 1088 1152 1224 1423 1632 2176 2448 2846 3264 4269 4896 5692 6528 8538 9792 11384 12807 17076 19584 22768 24191 25614 34152 45536 48382 51228 68304 72573 91072 96764 102456 136608 145146 182144 193528 204912 217719 273216 290292 387056 409824 435438 546432 580584 774112 819648 870876 1161168 1548224 1639296 1741752 2322336 3096448 3483504 4644672 6967008 9289344 13934016 27868032