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804421700 = 22528044217
BaseRepresentation
bin101111111100101…
…000000001000100
32002001122212010022
4233330220001010
53121412443300
6211453314312
725635320525
oct5774500104
92061585108
10804421700
11383090a25
121a5495998
13ca870694
1478b9a84c
154a94c285
hex2ff28044

804421700 has 18 divisors (see below), whose sum is σ = 1745595306. Its totient is φ = 321768640.

The previous prime is 804421669. The next prime is 804421729. The reversal of 804421700 is 7124408.

It can be written as a sum of positive squares in 3 ways, for example, as 26234884 + 778186816 = 5122^2 + 27896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 804421700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4022009 + ... + 4022208.

It is an arithmetic number, because the mean of its divisors is an integer number (96977517).

Almost surely, 2804421700 is an apocalyptic number.

It is an amenable number.

804421700 is an abundant number, since it is smaller than the sum of its proper divisors (941173606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

804421700 is a wasteful number, since it uses less digits than its factorization.

804421700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044231 (or 8044224 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 804421700 is about 28362.3288888624. The cubic root of 804421700 is about 930.0249347768.

The spelling of 804421700 in words is "eight hundred four million, four hundred twenty-one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 8044217 16088434 32176868 40221085 80442170 160884340 201105425 402210850 804421700