Search a number
-
+
545616341 = 3121174821
BaseRepresentation
bin100000100001010…
…111000111010101
31102000200011220122
4200201113013111
52104134210331
6130050241325
716343443124
oct4041270725
91360604818
10545616341
1125aa936a6
12132886245
138906710a
145266babb
1532d7917b
hex208571d5

545616341 has 4 divisors (see below), whose sum is σ = 545794284. Its totient is φ = 545438400.

The previous prime is 545616329. The next prime is 545616347. The reversal of 545616341 is 143616545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143616545 = 528723309.

It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 544522225 = 1046^2 + 23335^2 .

It is a cyclic number.

It is not a de Polignac number, because 545616341 - 26 = 545616277 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545616347) 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, 84290 + ... + 90531.

It is an arithmetic number, because the mean of its divisors is an integer number (136448571).

Almost surely, 2545616341 is an apocalyptic number.

It is an amenable number.

545616341 is a deficient number, since it is larger than the sum of its proper divisors (177943).

545616341 is a wasteful number, since it uses less digits than its factorization.

545616341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177942.

The product of its digits is 43200, while the sum is 35.

The square root of 545616341 is about 23358.4319037045. The cubic root of 545616341 is about 817.1387193060.

The spelling of 545616341 in words is "five hundred forty-five million, six hundred sixteen thousand, three hundred forty-one".

Divisors: 1 3121 174821 545616341