Base | Representation |
---|---|
bin | 101111110101010… |
… | …011100110101101 |
3 | 2001221001101021111 |
4 | 233311103212231 |
5 | 3120420044320 |
6 | 211344232021 |
7 | 25613110066 |
oct | 5765234655 |
9 | 2057041244 |
10 | 802503085 |
11 | 381aa049a |
12 | 1a490b611 |
13 | ca34b2c7 |
14 | 7881b56d |
15 | 4a6bda5a |
hex | 2fd539ad |
802503085 has 4 divisors (see below), whose sum is σ = 963003708. Its totient is φ = 642002464.
The previous prime is 802503067. The next prime is 802503137. The reversal of 802503085 is 580305208.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 156225001 + 646278084 = 12499^2 + 25422^2 .
It is a cyclic number.
It is not a de Polignac number, because 802503085 - 29 = 802502573 is a prime.
It is a super-2 number, since 2×8025030852 = 1288022402869034450, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80250304 + ... + 80250313.
It is an arithmetic number, because the mean of its divisors is an integer number (240750927).
Almost surely, 2802503085 is an apocalyptic number.
It is an amenable number.
802503085 is a deficient number, since it is larger than the sum of its proper divisors (160500623).
802503085 is a wasteful number, since it uses less digits than its factorization.
802503085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160500622.
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 802503085 is about 28328.4853989761. The cubic root of 802503085 is about 929.2849496462.
The spelling of 802503085 in words is "eight hundred two million, five hundred three thousand, eighty-five".
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