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804469842 = 2321119281761
BaseRepresentation
bin101111111100110…
…011110001010010
32002001202022011100
4233330303301102
53121421013332
6211454325230
725635611061
oct5774636122
92061668140
10804469842
11383114110
121a54b9816
13ca889577
1478bb01d8
154a95b67c
hex2ff33c52

804469842 has 96 divisors (see below), whose sum is σ = 2011314240. Its totient is φ = 229824000.

The previous prime is 804469819. The next prime is 804469849. The reversal of 804469842 is 248964408.

804469842 is a `hidden beast` number, since 80 + 446 + 98 + 42 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (804469849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1056742 + ... + 1057502.

It is an arithmetic number, because the mean of its divisors is an integer number (20951190).

Almost surely, 2804469842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804469842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005657120).

804469842 is an abundant number, since it is smaller than the sum of its proper divisors (1206844398).

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

804469842 is a wasteful number, since it uses less digits than its factorization.

804469842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 804469842 is about 28363.1775723384. The cubic root of 804469842 is about 930.0434873872.

The spelling of 804469842 in words is "eight hundred four million, four hundred sixty-nine thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 11 18 19 22 33 38 57 66 99 114 171 198 209 281 342 418 562 627 761 843 1254 1522 1686 1881 2283 2529 3091 3762 4566 5058 5339 6182 6849 8371 9273 10678 13698 14459 16017 16742 18546 25113 27819 28918 32034 43377 48051 50226 55638 58729 75339 86754 96102 117458 130131 150678 159049 176187 213841 260262 318098 352374 427682 477147 528561 641523 954294 1057122 1283046 1431441 1924569 2352251 2862882 3849138 4062979 4704502 7056753 8125958 12188937 14113506 21170259 24377874 36566811 42340518 44692769 73133622 89385538 134078307 268156614 402234921 804469842