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2485321609 = 498532
BaseRepresentation
bin1001010000100010…
…1111111110001001
320102012120102022111
42110020233332021
520042220242414
61050341022321
7115405612411
oct22410577611
96365512274
102485321609
111065998a01
125943b49a1
13307b90304
1419810d641
15e82cb8c4
hex9422ff89

2485321609 has 3 divisors (see below), whose sum is σ = 2485371463. Its totient is φ = 2485271756.

The previous prime is 2485321607. The next prime is 2485321669. The reversal of 2485321609 is 9061235842.

The square root of 2485321609 is 49853.

It is a perfect power (a square), and thus also a powerful number.

2485321609 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 brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 403407225 + 2081914384 = 20085^2 + 45628^2 .

It is not a de Polignac number, because 2485321609 - 21 = 2485321607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2485321607) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24927 + ... + 74779.

Almost surely, 22485321609 is an apocalyptic number.

2485321609 is the 49853-rd square number.

2485321609 is the 24927-th centered octagonal number.

It is an amenable number.

2485321609 is a deficient number, since it is larger than the sum of its proper divisors (49854).

2485321609 is an frugal number, since it uses more digits than its factorization.

2485321609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99706 (or 49853 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The cubic root of 2485321609 is about 1354.5473738637.

The spelling of 2485321609 in words is "two billion, four hundred eighty-five million, three hundred twenty-one thousand, six hundred nine".

Divisors: 1 49853 2485321609