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288841121 = 425967819
BaseRepresentation
bin10001001101110…
…101110110100001
3202010111122112022
4101031311312201
51042420403441
644354511225
710105052252
oct2115656641
9663448468
10288841121
11139052678
1280895515
1347ac190a
142a50ab29
151a55784b
hex11375da1

288841121 has 4 divisors (see below), whose sum is σ = 288913200. Its totient is φ = 288769044.

The previous prime is 288841103. The next prime is 288841123. The reversal of 288841121 is 121148882.

It is a happy number.

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 288841121 - 26 = 288841057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288841123) 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, 29651 + ... + 38168.

It is an arithmetic number, because the mean of its divisors is an integer number (72228300).

Almost surely, 2288841121 is an apocalyptic number.

It is an amenable number.

288841121 is a deficient number, since it is larger than the sum of its proper divisors (72079).

288841121 is an equidigital number, since it uses as much as digits as its factorization.

288841121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72078.

The product of its digits is 8192, while the sum is 35.

The square root of 288841121 is about 16995.3264458203. The cubic root of 288841121 is about 661.0277231474.

The spelling of 288841121 in words is "two hundred eighty-eight million, eight hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 4259 67819 288841121