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11992200 = 23352112379
BaseRepresentation
bin101101101111…
…110010001000
3211120021012120
4231233302020
511032222300
61105011240
7203634453
oct55576210
924507176
1011992200
116850a10
124023b20
13263b59c
14184249a
1510bd3a0
hexb6fc88

11992200 has 192 divisors, whose sum is σ = 42854400. Its totient is φ = 2745600.

The previous prime is 11992193. The next prime is 11992217. The reversal of 11992200 is 229911.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151761 + ... + 151839.

It is an arithmetic number, because the mean of its divisors is an integer number (223200).

Almost surely, 211992200 is an apocalyptic number.

11992200 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 11992200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21427200).

11992200 is an abundant number, since it is smaller than the sum of its proper divisors (30862200).

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

11992200 is a wasteful number, since it uses less digits than its factorization.

11992200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 11992200 is about 3462.9755991055. The cubic root of 11992200 is about 228.8932334753.

The spelling of 11992200 in words is "eleven million, nine hundred ninety-two thousand, two hundred".