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2297089 = 5214409
BaseRepresentation
bin1000110000110100000001
311022201000101
420300310001
51042001324
6121122401
725345024
oct10606401
94281011
102297089
111329923
12929401
13625732
1443b1bb
15305944
hex230d01

2297089 has 4 divisors (see below), whose sum is σ = 2302020. Its totient is φ = 2292160.

The previous prime is 2297059. The next prime is 2297093. The reversal of 2297089 is 9807922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9807922 = 24903961.

It can be written as a sum of positive squares in 2 ways, for example, as 384400 + 1912689 = 620^2 + 1383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2297089 - 29 = 2296577 is a prime.

It is an Ulam number.

It is a Duffinian number.

2297089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2297039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (575505).

22297089 is an apocalyptic number.

It is an amenable number.

2297089 is a deficient number, since it is larger than the sum of its proper divisors (4931).

2297089 is an equidigital number, since it uses as much as digits as its factorization.

2297089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2297089 is about 1515.6150566684. The cubic root of 2297089 is about 131.9448997149.

The spelling of 2297089 in words is "two million, two hundred ninety-seven thousand, eighty-nine".

Divisors: 1 521 4409 2297089