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2289669 = 3763223
BaseRepresentation
bin1000101111000000000101
311022022211120
420233000011
51041232134
6121024153
725314264
oct10570005
94268746
102289669
111324298
12925059
13622245
144385db
15303649
hex22f005

2289669 has 4 divisors (see below), whose sum is σ = 3052896. Its totient is φ = 1526444.

The previous prime is 2289667. The next prime is 2289689. The reversal of 2289669 is 9669822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2289669 - 21 = 2289667 is a prime.

It is a super-2 number, since 2×22896692 = 10485168259122, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2289669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289667) 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, 381609 + ... + 381614.

It is an arithmetic number, because the mean of its divisors is an integer number (763224).

22289669 is an apocalyptic number.

It is an amenable number.

2289669 is a deficient number, since it is larger than the sum of its proper divisors (763227).

2289669 is an equidigital number, since it uses as much as digits as its factorization.

2289669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763226.

The product of its digits is 93312, while the sum is 42.

The square root of 2289669 is about 1513.1652256115. The cubic root of 2289669 is about 131.8026780887.

The spelling of 2289669 in words is "two million, two hundred eighty-nine thousand, six hundred sixty-nine".

Divisors: 1 3 763223 2289669