Base | Representation |
---|---|
bin | 1111110111101001000 |
3 | 222102022120 |
4 | 1332331020 |
5 | 113120013 |
6 | 15051240 |
7 | 4264026 |
oct | 1767510 |
9 | 872276 |
10 | 520008 |
11 | 325765 |
12 | 210b20 |
13 | 1528c8 |
14 | d7716 |
15 | a4123 |
hex | 7ef48 |
520008 has 32 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 169280.
The previous prime is 519997. The next prime is 520019. The reversal of 520008 is 800025.
It is an interprime number because it is at equal distance from previous prime (519997) and next prime (520019).
It is an unprimeable number.
520008 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 7 ways as a sum of consecutive naturals, for example, 898 + ... + 1358.
It is an arithmetic number, because the mean of its divisors is an integer number (41580).
2520008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 520008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665280).
520008 is an abundant number, since it is smaller than the sum of its proper divisors (810552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520008 is a wasteful number, since it uses less digits than its factorization.
520008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517 (or 513 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 520008 is about 721.1158020734. The cubic root of 520008 is about 80.4149275518.
The spelling of 520008 in words is "five hundred twenty thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •