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2289693 = 371071019
BaseRepresentation
bin1000101111000000011101
311022022212110
420233000131
51041232233
6121024233
725314330
oct10570035
94268773
102289693
11132430a
12925079
13622263
14438617
15303663
hex22f01d

2289693 has 16 divisors (see below), whose sum is σ = 3525120. Its totient is φ = 1294896.

The previous prime is 2289689. The next prime is 2289697. The reversal of 2289693 is 3969822.

It is an interprime number because it is at equal distance from previous prime (2289689) and next prime (2289697).

It is not a de Polignac number, because 2289693 - 22 = 2289689 is a prime.

It is a d-powerful number, because it can be written as 211 + 221 + 8 + 94 + 63 + 94 + 311 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1738 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (220320).

22289693 is an apocalyptic number.

It is an amenable number.

2289693 is a deficient number, since it is larger than the sum of its proper divisors (1235427).

2289693 is a wasteful number, since it uses less digits than its factorization.

2289693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its digits is 46656, while the sum is 39.

The square root of 2289693 is about 1513.1731559871. The cubic root of 2289693 is about 131.8031385997.

The spelling of 2289693 in words is "two million, two hundred eighty-nine thousand, six hundred ninety-three".

Divisors: 1 3 7 21 107 321 749 1019 2247 3057 7133 21399 109033 327099 763231 2289693