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18314712 = 233213171151
BaseRepresentation
bin100010111011…
…1010111011000
31021110111001200
41011313113120
514142032322
61452314200
7311446443
oct105672730
937414050
1018314712
11a37a129
126172960
133a43310
14260a65a
15191b8ac
hex11775d8

18314712 has 96 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 5299200.

The previous prime is 18314711. The next prime is 18314719. The reversal of 18314712 is 21741381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18314711) 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, 15337 + ... + 16487.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 218314712 is an apocalyptic number.

18314712 is a gapful number since it is divisible by the number (12) 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 18314712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

18314712 is an abundant number, since it is smaller than the sum of its proper divisors (38294568).

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

18314712 is a wasteful number, since it uses less digits than its factorization.

18314712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1186 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 18314712 is about 4279.5691371913. The cubic root of 18314712 is about 263.5926914724.

The spelling of 18314712 in words is "eighteen million, three hundred fourteen thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 13 17 18 24 26 34 36 39 51 52 68 72 78 102 104 117 136 153 156 204 221 234 306 312 408 442 468 612 663 884 936 1151 1224 1326 1768 1989 2302 2652 3453 3978 4604 5304 6906 7956 9208 10359 13812 14963 15912 19567 20718 27624 29926 39134 41436 44889 58701 59852 78268 82872 89778 117402 119704 134667 156536 176103 179556 234804 254371 269334 352206 359112 469608 508742 538668 704412 763113 1017484 1077336 1408824 1526226 2034968 2289339 3052452 4578678 6104904 9157356 18314712