Base | Representation |
---|---|
bin | 1111111000111100100 |
3 | 222110020022 |
4 | 1333013210 |
5 | 113130201 |
6 | 15054312 |
7 | 4266002 |
oct | 1770744 |
9 | 873208 |
10 | 520676 |
11 | 326212 |
12 | 211398 |
13 | 152cc0 |
14 | d7a72 |
15 | a441b |
hex | 7f1e4 |
520676 has 48 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 207360.
The previous prime is 520649. The next prime is 520679. The reversal of 520676 is 676025.
It is a super-2 number, since 2×5206762 = 542206993952, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is not an unprimeable number, because it can be changed into a prime (520679) by changing a digit.
520676 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 15 ways as a sum of consecutive naturals, for example, 16781 + ... + 16811.
It is an arithmetic number, because the mean of its divisors is an integer number (23520).
2520676 is an apocalyptic number.
It is an amenable number.
520676 is an abundant number, since it is smaller than the sum of its proper divisors (608284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520676 is a wasteful number, since it uses less digits than its factorization.
520676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84 (or 82 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 520676 is about 721.5788245230. The cubic root of 520676 is about 80.4493463725.
The spelling of 520676 in words is "five hundred twenty thousand, six hundred seventy-six".
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