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804881952 = 253271921013
BaseRepresentation
bin101111111110011…
…000011000100000
32002002112020110200
4233332120120200
53122022210302
6211511225200
725642245420
oct5776303040
92062466420
10804881952
113833757a6
121a5678200
13ca9a2014
1478c7a480
154a9dd81c
hex2ff98620

804881952 has 144 divisors (see below), whose sum is σ = 2753674560. Its totient is φ = 217852416.

The previous prime is 804881939. The next prime is 804881963. The reversal of 804881952 is 259188408.

It is a happy number.

804881952 is a `hidden beast` number, since 80 + 488 + 1 + 95 + 2 = 666.

804881952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 804881898 and 804881907.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27798 + ... + 48810.

It is an arithmetic number, because the mean of its divisors is an integer number (19122740).

Almost surely, 2804881952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804881952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376837280).

804881952 is an abundant number, since it is smaller than the sum of its proper divisors (1948792608).

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

804881952 is a wasteful number, since it uses less digits than its factorization.

804881952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21055 (or 21044 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 804881952 is about 28370.4415192996. The cubic root of 804881952 is about 930.2022730337.

It can be divided in two parts, 8048 and 81952, that added together give a square (90000 = 3002).

The spelling of 804881952 in words is "eight hundred four million, eight hundred eighty-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 38 42 48 56 57 63 72 76 84 96 112 114 126 133 144 152 168 171 224 228 252 266 288 304 336 342 399 456 504 532 608 672 684 798 912 1008 1064 1197 1368 1596 1824 2016 2128 2394 2736 3192 4256 4788 5472 6384 9576 12768 19152 21013 38304 42026 63039 84052 126078 147091 168104 189117 252156 294182 336208 378234 399247 441273 504312 588364 672416 756468 798494 882546 1008624 1176728 1197741 1323819 1512936 1596988 1765092 2017248 2353456 2395482 2647638 2794729 3025872 3193976 3530184 3593223 4706912 4790964 5295276 5589458 6051744 6387952 7060368 7186446 8384187 9581928 10590552 11178916 12775904 14120736 14372892 16768374 19163856 21181104 22357832 25152561 28745784 33536748 38327712 42362208 44715664 50305122 57491568 67073496 89431328 100610244 114983136 134146992 201220488 268293984 402440976 804881952