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2213004 = 223184417
BaseRepresentation
bin1000011100010010001100
311011102200010
420130102030
51031304004
6115233220
724544623
oct10342214
94142603
102213004
111281732
128a8810
135c6391
144186ba
152daa89
hex21c48c

2213004 has 12 divisors (see below), whose sum is σ = 5163704. Its totient is φ = 737664.

The previous prime is 2212979. The next prime is 2213033. The reversal of 2213004 is 4003122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 184417 = 2213004 / (2 + 2 + 1 + 3 + 0 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92197 + ... + 92220.

22213004 is an apocalyptic number.

It is an amenable number.

2213004 is an abundant number, since it is smaller than the sum of its proper divisors (2950700).

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

2213004 is a wasteful number, since it uses less digits than its factorization.

2213004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184424 (or 184422 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2213004 is about 1487.6168861639. The cubic root of 2213004 is about 130.3148973617.

Adding to 2213004 its reverse (4003122), we get a palindrome (6216126).

The spelling of 2213004 in words is "two million, two hundred thirteen thousand, four".

Divisors: 1 2 3 4 6 12 184417 368834 553251 737668 1106502 2213004