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2394891089 = 5634253803
BaseRepresentation
bin1000111010111111…
…0010001101010001
320011220102001221222
42032233302031101
514401043003324
61033350454425
7113230144523
oct21657621521
96156361858
102394891089
111019943138
1256a064415
132c221a426
1418a0cda13
15e03b755e
hex8ebf2351

2394891089 has 4 divisors (see below), whose sum is σ = 2399145456. Its totient is φ = 2390636724.

The previous prime is 2394891061. The next prime is 2394891091. The reversal of 2394891089 is 9801984932.

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 2394891089 - 216 = 2394825553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2394891089.

It is not an unprimeable number, because it can be changed into a prime (2394291089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126339 + ... + 2127464.

It is an arithmetic number, because the mean of its divisors is an integer number (599786364).

Almost surely, 22394891089 is an apocalyptic number.

It is an amenable number.

2394891089 is a deficient number, since it is larger than the sum of its proper divisors (4254367).

2394891089 is an equidigital number, since it uses as much as digits as its factorization.

2394891089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254366.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 2394891089 is about 48937.6244723832. The cubic root of 2394891089 is about 1337.9152048807.

The spelling of 2394891089 in words is "two billion, three hundred ninety-four million, eight hundred ninety-one thousand, eighty-nine".

Divisors: 1 563 4253803 2394891089