Base | Representation |
---|---|
bin | 11110111111111… |
… | …101111101111000 |
3 | 1100020122002000001 |
4 | 132333331331320 |
5 | 2031120212433 |
6 | 123335122344 |
7 | 15613436605 |
oct | 3677757570 |
9 | 1306562001 |
10 | 520085368 |
11 | 247635920 |
12 | 1262133b4 |
13 | 8399832a |
14 | 4d1036ac |
15 | 309d457d |
hex | 1effdf78 |
520085368 has 32 divisors (see below), whose sum is σ = 1064694960. Its totient is φ = 236206080.
The previous prime is 520085351. The next prime is 520085381. The reversal of 520085368 is 863580025.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 184546 + ... + 187342.
Almost surely, 2520085368 is an apocalyptic number.
It is an amenable number.
520085368 is an abundant number, since it is smaller than the sum of its proper divisors (544609592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520085368 is a wasteful number, since it uses less digits than its factorization.
520085368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4927 (or 4923 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 37.
The square root of 520085368 is about 22805.3802423902. The cubic root of 520085368 is about 804.1891546069.
The spelling of 520085368 in words is "five hundred twenty million, eighty-five thousand, three hundred sixty-eight".
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