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4045731841 = 4394086787
BaseRepresentation
bin1111000100100100…
…1111100000000001
3101102221202110202001
43301021033200001
531241201404331
61505242024001
7202154103364
oct36111174001
911387673661
104045731841
11179678a238
1294aaa8001
134c6244188
142a545a0db
1518a2aa561
hexf124f801

4045731841 has 4 divisors (see below), whose sum is σ = 4139818672. Its totient is φ = 3951645012.

The previous prime is 4045731817. The next prime is 4045731863. The reversal of 4045731841 is 1481375404.

4045731841 is digitally balanced in base 3, 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 4045731841 - 225 = 4012177409 is a prime.

It is a super-2 number, since 2×40457318412 = 32735892258562498562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4045731841.

It is not an unprimeable number, because it can be changed into a prime (4045731341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47043351 + ... + 47043436.

It is an arithmetic number, because the mean of its divisors is an integer number (1034954668).

Almost surely, 24045731841 is an apocalyptic number.

It is an amenable number.

4045731841 is a deficient number, since it is larger than the sum of its proper divisors (94086831).

4045731841 is an equidigital number, since it uses as much as digits as its factorization.

4045731841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94086830.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 4045731841 is about 63606.0676429537. The cubic root of 4045731841 is about 1593.4277068636.

The spelling of 4045731841 in words is "four billion, forty-five million, seven hundred thirty-one thousand, eight hundred forty-one".

Divisors: 1 43 94086787 4045731841