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520064703 = 32163461769
BaseRepresentation
bin11110111111111…
…000111010111111
31100020121000122200
4132333320322333
52031114032303
6123334442543
715613322424
oct3677707277
91306530580
10520064703
11247621344
12126203453
138398bac2
144d0d9d4b
15309cd3a3
hex1eff8ebf

520064703 has 24 divisors (see below), whose sum is σ = 758437680. Its totient is φ = 343388160.

The previous prime is 520064681. The next prime is 520064719. The reversal of 520064703 is 307460025.

It is a happy number.

It is not a de Polignac number, because 520064703 - 216 = 519999167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520064003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675903 + ... + 676671.

It is an arithmetic number, because the mean of its divisors is an integer number (31601570).

Almost surely, 2520064703 is an apocalyptic number.

520064703 is a deficient number, since it is larger than the sum of its proper divisors (238372977).

520064703 is a wasteful number, since it uses less digits than its factorization.

520064703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 520064703 is about 22804.9271649791. The cubic root of 520064703 is about 804.1785032857.

The spelling of 520064703 in words is "five hundred twenty million, sixty-four thousand, seven hundred three".

Divisors: 1 3 9 163 461 489 769 1383 1467 2307 4149 6921 75143 125347 225429 354509 376041 676287 1063527 1128123 3190581 57784967 173354901 520064703