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2420013205 = 5484002641
BaseRepresentation
bin1001000000111110…
…0111100010010101
320020122200102000201
42100033213202111
514424010410310
61040045140501
7113653526041
oct22017474225
96218612021
102420013205
111032041815
1257655a731
132c74a509c
1418d58d021
15e26cae3a
hex903e7895

2420013205 has 4 divisors (see below), whose sum is σ = 2904015852. Its totient is φ = 1936010560.

The previous prime is 2420013131. The next prime is 2420013209. The reversal of 2420013205 is 5023100242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1333783441 + 1086229764 = 36521^2 + 32958^2 .

It is not a de Polignac number, because 2420013205 - 27 = 2420013077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420013209) 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, 242001316 + ... + 242001325.

It is an arithmetic number, because the mean of its divisors is an integer number (726003963).

Almost surely, 22420013205 is an apocalyptic number.

It is an amenable number.

2420013205 is a deficient number, since it is larger than the sum of its proper divisors (484002647).

2420013205 is an equidigital number, since it uses as much as digits as its factorization.

2420013205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484002646.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2420013205 is about 49193.6297197107. The cubic root of 2420013205 is about 1342.5771308824.

Adding to 2420013205 its reverse (5023100242), we get a palindrome (7443113447).

The spelling of 2420013205 in words is "two billion, four hundred twenty million, thirteen thousand, two hundred five".

Divisors: 1 5 484002641 2420013205