Search a number
-
+
540883645 = 51761731429
BaseRepresentation
bin100000001111010…
…011101010111101
31101200202201212121
4200033103222331
52101431234040
6125401002541
716255302151
oct4017235275
91350681777
10540883645
11258350985
12131183451
138809abc3
1451b99061
1532741c4a
hex203d3abd

540883645 has 32 divisors (see below), whose sum is σ = 708570720. Its totient is φ = 394813440.

The previous prime is 540883643. The next prime is 540883657. The reversal of 540883645 is 546388045.

It can be written as a sum of positive squares in 16 ways, for example, as 302829604 + 238054041 = 17402^2 + 15429^2 .

It is not a de Polignac number, because 540883645 - 21 = 540883643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540883643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377791 + ... + 379219.

It is an arithmetic number, because the mean of its divisors is an integer number (22142835).

Almost surely, 2540883645 is an apocalyptic number.

It is an amenable number.

540883645 is a deficient number, since it is larger than the sum of its proper divisors (167687075).

540883645 is a wasteful number, since it uses less digits than its factorization.

540883645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585.

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 540883645 is about 23256.9053186360. The cubic root of 540883645 is about 814.7692246846.

The spelling of 540883645 in words is "five hundred forty million, eight hundred eighty-three thousand, six hundred forty-five".

Divisors: 1 5 17 61 73 85 305 365 1037 1241 1429 4453 5185 6205 7145 22265 24293 75701 87169 104317 121465 378505 435845 521585 1481873 1773389 6363337 7409365 8866945 31816685 108176729 540883645