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27984096 = 253372661
BaseRepresentation
bin110101011000…
…0000011100000
31221122201222000
41222300003200
524130442341
62435444000
7456601200
oct152600340
957581860
1027984096
1114883958
129456600
135a4a54a
143a06400
1526cb8b6
hex1ab00e0

27984096 has 144 divisors (see below), whose sum is σ = 95089680. Its totient is φ = 7983360.

The previous prime is 27984059. The next prime is 27984097. The reversal of 27984096 is 69048972.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27984097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42006 + ... + 42666.

It is an arithmetic number, because the mean of its divisors is an integer number (660345).

Almost surely, 227984096 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 27984096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47544840).

27984096 is an abundant number, since it is smaller than the sum of its proper divisors (67105584).

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

27984096 is a wasteful number, since it uses less digits than its factorization.

27984096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 27984096 is about 5289.9996219282. Note that the first 3 decimals coincide. The cubic root of 27984096 is about 303.6013935476.

It can be divided in two parts, 279840 and 96, that added together give a 7-th power (279936 = 67).

The spelling of 27984096 in words is "twenty-seven million, nine hundred eighty-four thousand, ninety-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 84 96 98 108 112 126 144 147 168 189 196 216 224 252 288 294 336 378 392 432 441 504 588 661 672 756 784 864 882 1008 1176 1322 1323 1512 1568 1764 1983 2016 2352 2644 2646 3024 3528 3966 4627 4704 5288 5292 5949 6048 7056 7932 9254 10576 10584 11898 13881 14112 15864 17847 18508 21152 21168 23796 27762 31728 32389 35694 37016 41643 42336 47592 55524 63456 64778 71388 74032 83286 95184 97167 111048 124929 129556 142776 148064 166572 190368 194334 222096 249858 259112 285552 291501 333144 388668 444192 499716 518224 571104 583002 666288 777336 874503 999432 1036448 1166004 1332576 1554672 1749006 1998864 2332008 3109344 3498012 3997728 4664016 6996024 9328032 13992048 27984096