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2399468869 = 7342781267
BaseRepresentation
bin1000111100000100…
…1111110101000101
320012020000122111101
42033001033311011
514403231000434
61034032540101
7113314102030
oct21701176505
96166018441
102399468869
11102148a526
1256b6b1631
132c3160c85
1418a962017
15e09bdb14
hex8f04fd45

2399468869 has 4 divisors (see below), whose sum is σ = 2742250144. Its totient is φ = 2056687596.

The previous prime is 2399468867. The next prime is 2399468891. The reversal of 2399468869 is 9688649932.

2399468869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2399468869 - 21 = 2399468867 is a prime.

It is a super-2 number, since 2×23994688692 = 11514901706600278322, which contains 22 as substring.

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 2399468869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399468861) 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, 171390627 + ... + 171390640.

It is an arithmetic number, because the mean of its divisors is an integer number (685562536).

Almost surely, 22399468869 is an apocalyptic number.

It is an amenable number.

2399468869 is a deficient number, since it is larger than the sum of its proper divisors (342781275).

2399468869 is an equidigital number, since it uses as much as digits as its factorization.

2399468869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342781274.

The product of its digits is 40310784, while the sum is 64.

The square root of 2399468869 is about 48984.3737226475. The cubic root of 2399468869 is about 1338.7671271576.

The spelling of 2399468869 in words is "two billion, three hundred ninety-nine million, four hundred sixty-eight thousand, eight hundred sixty-nine".

Divisors: 1 7 342781267 2399468869