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540387223 = 929581687
BaseRepresentation
bin100000001101011…
…010011110010111
31101122211111220121
4200031122132113
52101314342343
6125342212411
716251133645
oct4015323627
91348744817
10540387223
11258041a12
12130b84107
1387c55c6c
1451aaa195
1532694aed
hex2035a797

540387223 has 4 divisors (see below), whose sum is σ = 540969840. Its totient is φ = 539804608.

The previous prime is 540387193. The next prime is 540387259. The reversal of 540387223 is 322783045.

540387223 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 is a cyclic number.

It is not a de Polignac number, because 540387223 - 25 = 540387191 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 (540387293) 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, 289915 + ... + 291772.

It is an arithmetic number, because the mean of its divisors is an integer number (135242460).

Almost surely, 2540387223 is an apocalyptic number.

540387223 is a deficient number, since it is larger than the sum of its proper divisors (582617).

540387223 is an equidigital number, since it uses as much as digits as its factorization.

540387223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582616.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 540387223 is about 23246.2302965449. The cubic root of 540387223 is about 814.5198838295.

The spelling of 540387223 in words is "five hundred forty million, three hundred eighty-seven thousand, two hundred twenty-three".

Divisors: 1 929 581687 540387223