Base | Representation |
---|---|
bin | 11111000001011… |
… | …101010100110000 |
3 | 1100021100220210010 |
4 | 133001131110300 |
5 | 2031220212302 |
6 | 123351334520 |
7 | 15616654413 |
oct | 3701352460 |
9 | 1307326703 |
10 | 520475952 |
11 | 247882317 |
12 | 126381440 |
13 | 83aa4049 |
14 | 4d1a5b7a |
15 | 30a6016c |
hex | 1f05d530 |
520475952 has 40 divisors (see below), whose sum is σ = 1352832064. Its totient is φ = 172425024.
The previous prime is 520475951. The next prime is 520476001. The reversal of 520475952 is 259574025.
It is a super-3 number, since 3×5204759523 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 520475952.
It is not an unprimeable number, because it can be changed into a prime (520475951) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25438 + ... + 41085.
Almost surely, 2520475952 is an apocalyptic number.
It is an amenable number.
520475952 is an abundant number, since it is smaller than the sum of its proper divisors (832356112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520475952 is a wasteful number, since it uses less digits than its factorization.
520475952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66697 (or 66691 counting only the distinct ones).
The product of its (nonzero) digits is 126000, while the sum is 39.
The square root of 520475952 is about 22813.9420530517. The cubic root of 520475952 is about 804.3904195263.
The spelling of 520475952 in words is "five hundred twenty million, four hundred seventy-five thousand, nine hundred fifty-two".
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