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27944112 = 243721092
BaseRepresentation
bin110101010011…
…0010010110000
31221120201010010
41222212102300
524123202422
62434534520
7456343500
oct152462260
957521103
1027944112
1114856909
129437440
135a352a1
1439d5a00
1526beb0c
hex1aa64b0

27944112 has 90 divisors (see below), whose sum is σ = 84752388. Its totient is φ = 7910784.

The previous prime is 27944101. The next prime is 27944167. The reversal of 27944112 is 21144972.

It is a self number, because there is not a number n which added to its sum of digits gives 27944112.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 256314 + ... + 256422.

Almost surely, 227944112 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 27944112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42376194).

27944112 is an abundant number, since it is smaller than the sum of its proper divisors (56808276).

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

27944112 is a wasteful number, since it uses less digits than its factorization.

27944112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 121 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 27944112 is about 5286.2190647002. The cubic root of 27944112 is about 303.4567282318.

The spelling of 27944112 in words is "twenty-seven million, nine hundred forty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 109 112 147 168 196 218 294 327 336 392 436 588 654 763 784 872 1176 1308 1526 1744 2289 2352 2616 3052 4578 5232 5341 6104 9156 10682 11881 12208 16023 18312 21364 23762 32046 35643 36624 42728 47524 64092 71286 83167 85456 95048 128184 142572 166334 190096 249501 256368 285144 332668 499002 570288 582169 665336 998004 1164338 1330672 1746507 1996008 2328676 3493014 3992016 4657352 6986028 9314704 13972056 27944112