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2320213421 = 4749366243
BaseRepresentation
bin1000101001001011…
…1010010110101101
312222200220001110102
42022102322112231
514222433312141
61022122120445
7111332326421
oct21222722655
95880801412
102320213421
11a90777759
12549050125
132ac901766
14180210b81
15d8a6599b
hex8a4ba5ad

2320213421 has 4 divisors (see below), whose sum is σ = 2369579712. Its totient is φ = 2270847132.

The previous prime is 2320213403. The next prime is 2320213433. The reversal of 2320213421 is 1243120232.

2320213421 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 2320213421 - 210 = 2320212397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320213393 and 2320213402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320213471) 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, 24683075 + ... + 24683168.

It is an arithmetic number, because the mean of its divisors is an integer number (592394928).

Almost surely, 22320213421 is an apocalyptic number.

It is an amenable number.

2320213421 is a deficient number, since it is larger than the sum of its proper divisors (49366291).

2320213421 is an equidigital number, since it uses as much as digits as its factorization.

2320213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49366290.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2320213421 is about 48168.5937203901. The cubic root of 2320213421 is about 1323.8617819298.

Adding to 2320213421 its reverse (1243120232), we get a palindrome (3563333653).

The spelling of 2320213421 in words is "two billion, three hundred twenty million, two hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 47 49366243 2320213421