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804702864 = 243719112539
BaseRepresentation
bin101111111101101…
…100101010010000
32002002012010210210
4233331230222100
53122000442424
6211503324120
725640601330
oct5775545220
92062163723
10804702864
11383263199
121a55b0640
13ca93b654
1478c310c0
154a9a5729
hex2ff6ca90

804702864 has 80 divisors (see below), whose sum is σ = 2388418560. Its totient is φ = 228693120.

The previous prime is 804702851. The next prime is 804702881. The reversal of 804702864 is 468207408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57907 + ... + 70445.

It is an arithmetic number, because the mean of its divisors is an integer number (29855232).

Almost surely, 2804702864 is an apocalyptic number.

804702864 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804702864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194209280).

804702864 is an abundant number, since it is smaller than the sum of its proper divisors (1583715696).

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

804702864 is a wasteful number, since it uses less digits than its factorization.

804702864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748 (or 12742 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 804702864 is about 28367.2851009750. The cubic root of 804702864 is about 930.1332772341.

The spelling of 804702864 in words is "eight hundred four million, seven hundred two thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 191 336 382 573 764 1146 1337 1528 2292 2674 3056 4011 4584 5348 8022 9168 10696 12539 16044 21392 25078 32088 37617 50156 64176 75234 87773 100312 150468 175546 200624 263319 300936 351092 526638 601872 702184 1053276 1404368 2106552 2394949 4213104 4789898 7184847 9579796 14369694 16764643 19159592 28739388 33529286 38319184 50293929 57478776 67058572 100587858 114957552 134117144 201175716 268234288 402351432 804702864