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13191700 = 22521953131
BaseRepresentation
bin110010010100…
…101000010100
3220211012121111
4302110220110
511334113300
61150424404
7220061524
oct62245024
926735544
1013191700
1174a0135
124502104
13296b552
141a75684
1512589ba
hexc94a14

13191700 has 72 divisors (see below), whose sum is σ = 30935520. Its totient is φ = 4867200.

The previous prime is 13191691. The next prime is 13191713. The reversal of 13191700 is 719131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100635 + ... + 100765.

It is an arithmetic number, because the mean of its divisors is an integer number (429660).

Almost surely, 213191700 is an apocalyptic number.

13191700 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 13191700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15467760).

13191700 is an abundant number, since it is smaller than the sum of its proper divisors (17743820).

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

13191700 is a wasteful number, since it uses less digits than its factorization.

13191700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 13191700 is about 3632.0379953960. The cubic root of 13191700 is about 236.2836052343.

The spelling of 13191700 in words is "thirteen million, one hundred ninety-one thousand, seven hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 53 76 95 100 106 131 190 212 262 265 380 475 524 530 655 950 1007 1060 1310 1325 1900 2014 2489 2620 2650 3275 4028 4978 5035 5300 6550 6943 9956 10070 12445 13100 13886 20140 24890 25175 27772 34715 49780 50350 62225 69430 100700 124450 131917 138860 173575 248900 263834 347150 527668 659585 694300 1319170 2638340 3297925 6595850 13191700