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2213800 = 235211069
BaseRepresentation
bin1000011100011110101000
311011110202121
420130132220
51031320200
6115241024
724550141
oct10343650
94143677
102213800
111282296
128a9174
135c6854
14418ac8
152dae1a
hex21c7a8

2213800 has 24 divisors (see below), whose sum is σ = 5147550. Its totient is φ = 885440.

The previous prime is 2213789. The next prime is 2213833. The reversal of 2213800 is 83122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1136356 + 1077444 = 1066^2 + 1038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5335 + ... + 5734.

22213800 is an apocalyptic number.

2213800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213800 is an abundant number, since it is smaller than the sum of its proper divisors (2933750).

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

2213800 is a wasteful number, since it uses less digits than its factorization.

2213800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11085 (or 11076 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2213800 is about 1487.8844041121. The cubic root of 2213800 is about 130.3305199007.

Adding to 2213800 its reverse (83122), we get a palindrome (2296922).

The spelling of 2213800 in words is "two million, two hundred thirteen thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 11069 22138 44276 55345 88552 110690 221380 276725 442760 553450 1106900 2213800