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540645430 = 25136776143
BaseRepresentation
bin100000001110011…
…001100000110110
31101200022122002211
4200032121200312
52101401123210
6125351524034
716253260513
oct4016314066
91350278084
10540645430
112581a8a06
1213108961a
1388016650
1451b3630a
15326e638a
hex20399836

540645430 has 32 divisors (see below), whose sum is σ = 1049739264. Its totient is φ = 199295616.

The previous prime is 540645419. The next prime is 540645431. The reversal of 540645430 is 34546045.

It is a super-3 number, since 3×5406454303 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540645392 and 540645401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540645431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84939 + ... + 91081.

It is an arithmetic number, because the mean of its divisors is an integer number (32804352).

Almost surely, 2540645430 is an apocalyptic number.

540645430 is a deficient number, since it is larger than the sum of its proper divisors (509093834).

540645430 is a wasteful number, since it uses less digits than its factorization.

540645430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6840.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 540645430 is about 23251.7833724641. The cubic root of 540645430 is about 814.6495940559.

The spelling of 540645430 in words is "five hundred forty million, six hundred forty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 677 1354 3385 6143 6770 8801 12286 17602 30715 44005 61430 79859 88010 159718 399295 798590 4158811 8317622 20794055 41588110 54064543 108129086 270322715 540645430