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540805430 = 25114916413
BaseRepresentation
bin100000001111000…
…000100100110110
31101200121202120202
4200033000210312
52101421233210
6125355200502
716254525134
oct4017004466
91350552522
10540805430
112582a8140
12131146132
1388071419
1451b78754
15327289a5
hex203c0936

540805430 has 16 divisors (see below), whose sum is σ = 1061945424. Its totient is φ = 196656480.

The previous prime is 540805429. The next prime is 540805459. The reversal of 540805430 is 34508045.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 540805393 and 540805402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2458097 + ... + 2458316.

It is an arithmetic number, because the mean of its divisors is an integer number (66371589).

Almost surely, 2540805430 is an apocalyptic number.

540805430 is a deficient number, since it is larger than the sum of its proper divisors (521139994).

540805430 is a wasteful number, since it uses less digits than its factorization.

540805430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916431.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 540805430 is about 23255.2237142540. The cubic root of 540805430 is about 814.7299492954.

The spelling of 540805430 in words is "five hundred forty million, eight hundred five thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 4916413 9832826 24582065 49164130 54080543 108161086 270402715 540805430