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520523032 = 232232831031
BaseRepresentation
bin11111000001101…
…000110100011000
31100021110022100211
4133001220310120
52031223214112
6123352340504
715620241601
oct3701506430
91307408324
10520523032
11247904727
121263a4734
1383abc5c3
144d1b8da8
1530a6e0a7
hex1f068d18

520523032 has 32 divisors (see below), whose sum is σ = 984775680. Its totient is φ = 257928480.

The previous prime is 520523023. The next prime is 520523033. The reversal of 520523032 is 230325025.

It is a junction number, because it is equal to n+sod(n) for n = 520522994 and 520523012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520523033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504357 + ... + 505387.

It is an arithmetic number, because the mean of its divisors is an integer number (30774240).

Almost surely, 2520523032 is an apocalyptic number.

It is an amenable number.

520523032 is a deficient number, since it is larger than the sum of its proper divisors (464252648).

520523032 is a wasteful number, since it uses less digits than its factorization.

520523032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 520523032 is about 22814.9738549050. The cubic root of 520523032 is about 804.4146726860.

Adding to 520523032 its reverse (230325025), we get a palindrome (750848057).

The spelling of 520523032 in words is "five hundred twenty million, five hundred twenty-three thousand, thirty-two".

Divisors: 1 2 4 8 223 283 446 566 892 1031 1132 1784 2062 2264 4124 8248 63109 126218 229913 252436 291773 459826 504872 583546 919652 1167092 1839304 2334184 65065379 130130758 260261516 520523032