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12317200 = 245275383
BaseRepresentation
bin101110111111…
…001000010000
3212011210000121
4232333020100
511123122300
61120000024
7206460130
oct56771020
925153017
1012317200
116a53105
124160014
1327234ac
1418c8ac0
15113481a
hexbbf210

12317200 has 120 divisors (see below), whose sum is σ = 34872768. Its totient is φ = 4093440.

The previous prime is 12317177. The next prime is 12317209. The reversal of 12317200 is 271321.

It is a happy number.

12317200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (12317209) 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, 148359 + ... + 148441.

Almost surely, 212317200 is an apocalyptic number.

12317200 is a gapful number since it is divisible by the number (10) 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 12317200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17436384).

12317200 is an abundant number, since it is smaller than the sum of its proper divisors (22555568).

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

12317200 is a wasteful number, since it uses less digits than its factorization.

12317200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 12317200 is about 3509.5868702740. The cubic root of 12317200 is about 230.9425717576.

Adding to 12317200 its reverse (271321), we get a palindrome (12588521).

The spelling of 12317200 in words is "twelve million, three hundred seventeen thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 53 56 70 80 83 100 106 112 140 166 175 200 212 265 280 332 350 371 400 415 424 530 560 581 664 700 742 830 848 1060 1162 1325 1328 1400 1484 1660 1855 2075 2120 2324 2650 2800 2905 2968 3320 3710 4150 4240 4399 4648 5300 5810 5936 6640 7420 8300 8798 9275 9296 10600 11620 14525 14840 16600 17596 18550 21200 21995 23240 29050 29680 30793 33200 35192 37100 43990 46480 58100 61586 70384 74200 87980 109975 116200 123172 148400 153965 175960 219950 232400 246344 307930 351920 439900 492688 615860 769825 879800 1231720 1539650 1759600 2463440 3079300 6158600 12317200