Base | Representation |
---|---|
bin | 101111101101101… |
… | …010101100000001 |
3 | 2001210021122012222 |
4 | 233231222230001 |
5 | 3114412003411 |
6 | 211233300425 |
7 | 25560066434 |
oct | 5755525401 |
9 | 2053248188 |
10 | 800500481 |
11 | 380952950 |
12 | 1a4104715 |
13 | c9ac9931 |
14 | 7845981b |
15 | 4a4254db |
hex | 2fb6ab01 |
800500481 has 4 divisors (see below), whose sum is σ = 873273264. Its totient is φ = 727727700.
The previous prime is 800500433. The next prime is 800500501. The reversal of 800500481 is 184005008.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-800500481 is a prime.
It is a super-2 number, since 2×8005004812 = 1281602040162462722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 800500481.
It is not an unprimeable number, because it can be changed into a prime (800502481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36386375 + ... + 36386396.
It is an arithmetic number, because the mean of its divisors is an integer number (218318316).
Almost surely, 2800500481 is an apocalyptic number.
It is an amenable number.
800500481 is a deficient number, since it is larger than the sum of its proper divisors (72772783).
800500481 is a wasteful number, since it uses less digits than its factorization.
800500481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72772782.
The product of its (nonzero) digits is 1280, while the sum is 26.
The square root of 800500481 is about 28293.1172018921. The cubic root of 800500481 is about 928.5113119525.
Adding to 800500481 its reverse (184005008), we get a palindrome (984505489).
The spelling of 800500481 in words is "eight hundred million, five hundred thousand, four hundred eighty-one".
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