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13257200 = 24521123131
BaseRepresentation
bin110010100100…
…100111110000
3220221112110102
4302210213300
511343212300
61152051532
7220453505
oct62444760
926845412
1013257200
117535370
124533ba8
1329922c8
141a914ac
15126d0d5
hexca49f0

13257200 has 120 divisors (see below), whose sum is σ = 36533376. Its totient is φ = 4576000.

The previous prime is 13257199. The next prime is 13257203. The reversal of 13257200 is 275231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101135 + ... + 101265.

Almost surely, 213257200 is an apocalyptic number.

13257200 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 13257200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18266688).

13257200 is an abundant number, since it is smaller than the sum of its proper divisors (23276176).

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

13257200 is a wasteful number, since it uses less digits than its factorization.

13257200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 13257200 is about 3641.0438063830. The cubic root of 13257200 is about 236.6740282927.

The spelling of 13257200 in words is "thirteen million, two hundred fifty-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 23 25 40 44 46 50 55 80 88 92 100 110 115 131 176 184 200 220 230 253 262 275 368 400 440 460 506 524 550 575 655 880 920 1012 1048 1100 1150 1265 1310 1441 1840 2024 2096 2200 2300 2530 2620 2882 3013 3275 4048 4400 4600 5060 5240 5764 6026 6325 6550 7205 9200 10120 10480 11528 12052 12650 13100 14410 15065 20240 23056 24104 25300 26200 28820 30130 33143 36025 48208 50600 52400 57640 60260 66286 72050 75325 101200 115280 120520 132572 144100 150650 165715 241040 265144 288200 301300 331430 530288 576400 602600 662860 828575 1205200 1325720 1657150 2651440 3314300 6628600 13257200