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30118764 = 223131741277
BaseRepresentation
bin111001011100…
…1001101101100
32002200012011210
41302321031230
530202300024
62553314420
7514001544
oct162711554
962605153
1030118764
1116001745
12a105a10
136317070
144000324
15299e129
hex1cb936c

30118764 has 96 divisors (see below), whose sum is σ = 82385856. Its totient is φ = 8478720.

The previous prime is 30118729. The next prime is 30118783. The reversal of 30118764 is 46781103.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108594 + ... + 108870.

It is an arithmetic number, because the mean of its divisors is an integer number (858186).

Almost surely, 230118764 is an apocalyptic number.

30118764 is a gapful number since it is divisible by the number (34) 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 30118764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41192928).

30118764 is an abundant number, since it is smaller than the sum of its proper divisors (52267092).

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

30118764 is a wasteful number, since it uses less digits than its factorization.

30118764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 353 counting only the distinct ones).

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

The square root of 30118764 is about 5488.0564865898. The cubic root of 30118764 is about 311.1327411076.

Adding to 30118764 its reverse (46781103), we get a palindrome (76899867).

The spelling of 30118764 in words is "thirty million, one hundred eighteen thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 41 51 52 68 78 82 102 123 156 164 204 221 246 277 442 492 533 554 663 697 831 884 1066 1108 1326 1394 1599 1662 2091 2132 2652 2788 3198 3324 3601 4182 4709 6396 7202 8364 9061 9418 10803 11357 14127 14404 18122 18836 21606 22714 27183 28254 34071 36244 43212 45428 54366 56508 61217 68142 108732 122434 136284 147641 183651 193069 244868 295282 367302 386138 442923 579207 590564 734604 772276 885846 1158414 1771692 2316828 2509897 5019794 7529691 10039588 15059382 30118764