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540521053 = 2931601247
BaseRepresentation
bin100000001101111…
…011001001011101
31101200002022111021
4200031323021131
52101333133203
6125345124141
716252232062
oct4015731135
91350068437
10540521053
11258123516
12131029651
1387ca1b57
1451b02c69
15326be5bd
hex2037b25d

540521053 has 8 divisors (see below), whose sum is σ = 577198080. Its totient is φ = 505046640.

The previous prime is 540521029. The next prime is 540521071. The reversal of 540521053 is 350125045.

540521053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-540521053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540581053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299725 + ... + 301522.

It is an arithmetic number, because the mean of its divisors is an integer number (72149760).

Almost surely, 2540521053 is an apocalyptic number.

It is an amenable number.

540521053 is a deficient number, since it is larger than the sum of its proper divisors (36677027).

540521053 is a wasteful number, since it uses less digits than its factorization.

540521053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601307.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 540521053 is about 23249.1086495805. The cubic root of 540521053 is about 814.5871184555.

Adding to 540521053 its reverse (350125045), we get a palindrome (890646098).

The spelling of 540521053 in words is "five hundred forty million, five hundred twenty-one thousand, fifty-three".

Divisors: 1 29 31 899 601247 17436163 18638657 540521053