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2203893 = 32244877
BaseRepresentation
bin1000011010000011110101
311010222011200
420122003311
51031011033
6115123113
724506226
oct10320365
94128150
102203893
1112758aa
128a3499
135c21a3
1441524d
152d8013
hex21a0f5

2203893 has 6 divisors (see below), whose sum is σ = 3183414. Its totient is φ = 1469256.

The previous prime is 2203889. The next prime is 2203933. The reversal of 2203893 is 3983022.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 7569 = 1482^2 + 87^2 .

It is not a de Polignac number, because 2203893 - 22 = 2203889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122430 + ... + 122447.

It is an arithmetic number, because the mean of its divisors is an integer number (530569).

22203893 is an apocalyptic number.

It is an amenable number.

2203893 is a deficient number, since it is larger than the sum of its proper divisors (979521).

2203893 is a wasteful number, since it uses less digits than its factorization.

2203893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244883 (or 244880 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2203893 is about 1484.5514474076. The cubic root of 2203893 is about 130.1358146687.

The spelling of 2203893 in words is "two million, two hundred three thousand, eight hundred ninety-three".

Divisors: 1 3 9 244877 734631 2203893