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804660481 = 899041129
BaseRepresentation
bin101111111101100…
…010010100000001
32002002002222200001
4233331202110001
53121443113411
6211502400001
725640333632
oct5775422401
92062088601
10804660481
11383234369
121a5590001
13ca925281
1478c1d889
154a997dc1
hex2ff62501

804660481 has 4 divisors (see below), whose sum is σ = 813701700. Its totient is φ = 795619264.

The previous prime is 804660463. The next prime is 804660491. The reversal of 804660481 is 184066408.

804660481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 141134400 + 663526081 = 11880^2 + 25759^2 .

It is a cyclic number.

It is not a de Polignac number, because 804660481 - 25 = 804660449 is a prime.

It is a super-2 number, since 2×8046604812 = 1294956979366302722, 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 804660481.

It is not an unprimeable number, because it can be changed into a prime (804660401) 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, 4520476 + ... + 4520653.

It is an arithmetic number, because the mean of its divisors is an integer number (203425425).

Almost surely, 2804660481 is an apocalyptic number.

It is an amenable number.

804660481 is a deficient number, since it is larger than the sum of its proper divisors (9041219).

804660481 is an equidigital number, since it uses as much as digits as its factorization.

804660481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041218.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 804660481 is about 28366.5380510206. The cubic root of 804660481 is about 930.1169471772.

The spelling of 804660481 in words is "eight hundred four million, six hundred sixty thousand, four hundred eighty-one".

Divisors: 1 89 9041129 804660481