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524216212 = 221373197701
BaseRepresentation
bin11111001111101…
…110011110010100
31100112101221110021
4133033232132110
52033144404322
6124003434524
715663523102
oct3717563624
91315357407
10524216212
112499a7443
12127685a44
13847b3610
144d89ac72
153104d4c7
hex1f3ee794

524216212 has 48 divisors (see below), whose sum is σ = 1007998992. Its totient is φ = 237081600.

The previous prime is 524216197. The next prime is 524216237. The reversal of 524216212 is 212612425.

It can be written as a sum of positive squares in 8 ways, for example, as 65999376 + 458216836 = 8124^2 + 21406^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747462 + ... + 748162.

It is an arithmetic number, because the mean of its divisors is an integer number (20999979).

Almost surely, 2524216212 is an apocalyptic number.

524216212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

524216212 is a deficient number, since it is larger than the sum of its proper divisors (483782780).

524216212 is a wasteful number, since it uses less digits than its factorization.

524216212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 524216212 is about 22895.7684299960. The cubic root of 524216212 is about 806.3126671879.

Adding to 524216212 its reverse (212612425), we get a palindrome (736828637).

The spelling of 524216212 in words is "five hundred twenty-four million, two hundred sixteen thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 73 146 197 292 394 701 788 949 1402 1898 2561 2804 3796 5122 9113 10244 14381 18226 28762 36452 51173 57524 102346 138097 186953 204692 276194 373906 552388 665249 747812 1330498 1795261 2660996 3590522 7181044 10081081 20162162 40324324 131054053 262108106 524216212