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2428445517 = 3809481839
BaseRepresentation
bin1001000010111111…
…0010001101001101
320021020112210222120
42100233302031031
514433140224032
61040550003153
7114115306041
oct22057621515
96236483876
102428445517
111036881073
125793464b9
132c9168214
14190746021
15e32e462c
hex90bf234d

2428445517 has 4 divisors (see below), whose sum is σ = 3237927360. Its totient is φ = 1618963676.

The previous prime is 2428445507. The next prime is 2428445519. The reversal of 2428445517 is 7155448242.

2428445517 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 2428445517 - 27 = 2428445389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428445519) 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, 404740917 + ... + 404740922.

It is an arithmetic number, because the mean of its divisors is an integer number (809481840).

Almost surely, 22428445517 is an apocalyptic number.

It is an amenable number.

2428445517 is a deficient number, since it is larger than the sum of its proper divisors (809481843).

2428445517 is an equidigital number, since it uses as much as digits as its factorization.

2428445517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809481842.

The product of its digits is 358400, while the sum is 42.

The square root of 2428445517 is about 49279.2605159615. The cubic root of 2428445517 is about 1344.1346851410.

The spelling of 2428445517 in words is "two billion, four hundred twenty-eight million, four hundred forty-five thousand, five hundred seventeen".

Divisors: 1 3 809481839 2428445517