Search a number
-
+
27968200 = 23521331347
BaseRepresentation
bin110101010110…
…0001011001000
31221121221011021
41222230023020
524124440300
62435242224
7456503641
oct152541310
957557137
1027968200
1114872a17
129449374
135a43240
143a006c8
1526c6d1a
hex1aac2c8

27968200 has 96 divisors (see below), whose sum is σ = 72495360. Its totient is φ = 9964800.

The previous prime is 27968197. The next prime is 27968219. The reversal of 27968200 is 286972.

It is a super-2 number, since 2×279682002 = 1564440422480000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 80427 + ... + 80773.

It is an arithmetic number, because the mean of its divisors is an integer number (755160).

Almost surely, 227968200 is an apocalyptic number.

27968200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27968200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36247680).

27968200 is an abundant number, since it is smaller than the sum of its proper divisors (44527160).

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

27968200 is a wasteful number, since it uses less digits than its factorization.

27968200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 27968200 is about 5288.4969509304. The cubic root of 27968200 is about 303.5438970583.

The spelling of 27968200 in words is "twenty-seven million, nine hundred sixty-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 31 40 50 52 62 65 100 104 124 130 155 200 248 260 310 325 347 403 520 620 650 694 775 806 1240 1300 1388 1550 1612 1735 2015 2600 2776 3100 3224 3470 4030 4511 6200 6940 8060 8675 9022 10075 10757 13880 16120 17350 18044 20150 21514 22555 34700 36088 40300 43028 45110 53785 69400 80600 86056 90220 107570 112775 139841 180440 215140 225550 268925 279682 430280 451100 537850 559364 699205 902200 1075700 1118728 1398410 2151400 2796820 3496025 5593640 6992050 13984100 27968200