Base | Representation |
---|---|
bin | 1111111000100101000 |
3 | 222102222100 |
4 | 1333010220 |
5 | 113123423 |
6 | 15053400 |
7 | 4265313 |
oct | 1770450 |
9 | 872870 |
10 | 520488 |
11 | 326061 |
12 | 211260 |
13 | 152ba7 |
14 | d797a |
15 | a4343 |
hex | 7f128 |
520488 has 24 divisors (see below), whose sum is σ = 1409850. Its totient is φ = 173472.
The previous prime is 520451. The next prime is 520529. The reversal of 520488 is 884025.
It can be written as a sum of positive squares in only one way, i.e., 272484 + 248004 = 522^2 + 498^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is an unprimeable number.
520488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3543 + ... + 3686.
2520488 is an apocalyptic number.
It is an amenable number.
520488 is an abundant number, since it is smaller than the sum of its proper divisors (889362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520488 is a wasteful number, since it uses less digits than its factorization.
520488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7241 (or 7234 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 520488 is about 721.4485428636. The cubic root of 520488 is about 80.4396626167.
The spelling of 520488 in words is "five hundred twenty thousand, four hundred eighty-eight".
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