Base | Representation |
---|---|
bin | 1111111001011011110 |
3 | 222110120120 |
4 | 1333023132 |
5 | 113132201 |
6 | 15055410 |
7 | 4266510 |
oct | 1771336 |
9 | 873516 |
10 | 520926 |
11 | 32641a |
12 | 211566 |
13 | 153153 |
14 | d7bb0 |
15 | a4536 |
hex | 7f2de |
520926 has 32 divisors (see below), whose sum is σ = 1213440. Its totient is φ = 146016.
The previous prime is 520921. The next prime is 520943. The reversal of 520926 is 629025.
It is an Ulam number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 520896 and 520905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (520921) by changing a digit.
520926 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, 3240 + ... + 3396.
It is an arithmetic number, because the mean of its divisors is an integer number (37920).
2520926 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 520926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606720).
520926 is an abundant number, since it is smaller than the sum of its proper divisors (692514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520926 is a wasteful number, since it uses less digits than its factorization.
520926 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 520926 is about 721.7520349815. The cubic root of 520926 is about 80.4622200973.
The spelling of 520926 in words is "five hundred twenty thousand, nine hundred twenty-six".
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