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13191200 = 2552111499
BaseRepresentation
bin110010010100…
…100000100000
3220211011220222
4302110200200
511334104300
61150422212
7220060211
oct62244040
926734828
1013191200
11749a820
124501968
13296b259
141a75408
151258785
hexc94820

13191200 has 72 divisors (see below), whose sum is σ = 35154000. Its totient is φ = 4793600.

The previous prime is 13191179. The next prime is 13191229. The reversal of 13191200 is 219131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8051 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (488250).

Almost surely, 213191200 is an apocalyptic number.

13191200 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 13191200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17577000).

13191200 is an abundant number, since it is smaller than the sum of its proper divisors (21962800).

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

13191200 is a wasteful number, since it uses less digits than its factorization.

13191200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 13191200 is about 3631.9691628647. The cubic root of 13191200 is about 236.2806199406.

The spelling of 13191200 in words is "thirteen million, one hundred ninety-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1499 1760 2200 2998 4400 5996 7495 8800 11992 14990 16489 23984 29980 32978 37475 47968 59960 65956 74950 82445 119920 131912 149900 164890 239840 263824 299800 329780 412225 527648 599600 659560 824450 1199200 1319120 1648900 2638240 3297800 6595600 13191200