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11287200 = 253524703
BaseRepresentation
bin101011000011…
…101010100000
3210020110010110
4223003222200
510342142300
61041531320
7164640201
oct53035240
923213113
1011287200
11640a271
123943b40
132452722
1416db5a8
15ece550
hexac3aa0

11287200 has 72 divisors (see below), whose sum is σ = 36747648. Its totient is φ = 3009280.

The previous prime is 11287189. The next prime is 11287207. The reversal of 11287200 is 278211.

It is not an unprimeable number, because it can be changed into a prime (11287207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (510384).

Almost surely, 211287200 is an apocalyptic number.

11287200 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 11287200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18373824).

11287200 is an abundant number, since it is smaller than the sum of its proper divisors (25460448).

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

11287200 is a wasteful number, since it uses less digits than its factorization.

11287200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 11287200 is about 3359.6428381600. The cubic root of 11287200 is about 224.3169408002.

The spelling of 11287200 in words is "eleven million, two hundred eighty-seven thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 4703 9406 14109 18812 23515 28218 37624 47030 56436 70545 75248 94060 112872 117575 141090 150496 188120 225744 235150 282180 352725 376240 451488 470300 564360 705450 752480 940600 1128720 1410900 1881200 2257440 2821800 3762400 5643600 11287200