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2289293 = 13211733
BaseRepresentation
bin1000101110111010001101
311022022022122
420232322031
51041224133
6121022325
725313216
oct10567215
94268278
102289293
111323a86
129249a5
13622016
1443840d
15303498
hex22ee8d

2289293 has 4 divisors (see below), whose sum is σ = 2292348. Its totient is φ = 2286240.

The previous prime is 2289281. The next prime is 2289349. The reversal of 2289293 is 3929822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1646089 + 643204 = 1283^2 + 802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289293 - 28 = 2289037 is a prime.

It is a d-powerful number, because it can be written as 211 + 217 + 85 + 9 + 221 + 94 + 39 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455 + ... + 2187.

It is an arithmetic number, because the mean of its divisors is an integer number (573087).

22289293 is an apocalyptic number.

It is an amenable number.

2289293 is a deficient number, since it is larger than the sum of its proper divisors (3055).

2289293 is a wasteful number, since it uses less digits than its factorization.

2289293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054.

The product of its digits is 15552, while the sum is 35.

The square root of 2289293 is about 1513.0409776341. The cubic root of 2289293 is about 131.7954629963.

The spelling of 2289293 in words is "two million, two hundred eighty-nine thousand, two hundred ninety-three".

Divisors: 1 1321 1733 2289293