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800500481 = 1172772771
BaseRepresentation
bin101111101101101…
…010101100000001
32001210021122012222
4233231222230001
53114412003411
6211233300425
725560066434
oct5755525401
92053248188
10800500481
11380952950
121a4104715
13c9ac9931
147845981b
154a4254db
hex2fb6ab01

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".

Divisors: 1 11 72772771 800500481