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2745295841 = 20291353029
BaseRepresentation
bin1010001110100001…
…1110001111100001
321002022202110220202
42203220132033201
521110243431331
61132225114545
7125013425651
oct24350361741
97068673822
102745295841
111189714442
12647488a55
133499b5912
141c0864361
15111030ecb
hexa3a1e3e1

2745295841 has 4 divisors (see below), whose sum is σ = 2746650900. Its totient is φ = 2743940784.

The previous prime is 2745295823. The next prime is 2745295849. The reversal of 2745295841 is 1485925472.

2745295841 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1962135616 + 783160225 = 44296^2 + 27985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745295841 - 214 = 2745279457 is a prime.

It is a super-2 number, since 2×27452958412 = 15073298509223794562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2745295849) 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, 674486 + ... + 678543.

It is an arithmetic number, because the mean of its divisors is an integer number (686662725).

Almost surely, 22745295841 is an apocalyptic number.

It is an amenable number.

2745295841 is a deficient number, since it is larger than the sum of its proper divisors (1355059).

2745295841 is a wasteful number, since it uses less digits than its factorization.

2745295841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355058.

The product of its digits is 806400, while the sum is 47.

The square root of 2745295841 is about 52395.5708147168. The cubic root of 2745295841 is about 1400.2203464402.

The spelling of 2745295841 in words is "two billion, seven hundred forty-five million, two hundred ninety-five thousand, eight hundred forty-one".

Divisors: 1 2029 1353029 2745295841