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513660712 = 231723915803
BaseRepresentation
bin11110100111011…
…101011100101000
31022210112200000211
4132213131130220
52022444120322
6122545310504
715505021045
oct3647353450
91283480024
10513660712
11243a47994
12124035434
1382558c66
144c3101cc
1530165b77
hex1e9dd728

513660712 has 32 divisors (see below), whose sum is σ = 1024099200. Its totient is φ = 240696064.

The previous prime is 513660709. The next prime is 513660713. The reversal of 513660712 is 217066315.

It is not an unprimeable number, because it can be changed into a prime (513660713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24603 + ... + 40405.

It is an arithmetic number, because the mean of its divisors is an integer number (32003100).

Almost surely, 2513660712 is an apocalyptic number.

It is an amenable number.

513660712 is a deficient number, since it is larger than the sum of its proper divisors (510438488).

513660712 is a wasteful number, since it uses less digits than its factorization.

513660712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16065 (or 16061 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 513660712 is about 22664.0841862185. The cubic root of 513660712 is about 800.8640206661.

The spelling of 513660712 in words is "five hundred thirteen million, six hundred sixty thousand, seven hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 239 478 956 1912 4063 8126 15803 16252 31606 32504 63212 126424 268651 537302 1074604 2149208 3776917 7553834 15107668 30215336 64207589 128415178 256830356 513660712