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806860236 = 2237131734271
BaseRepresentation
bin110000000101111…
…011010111001100
32002020020202011110
4300011323113030
53123024011421
6212021452020
725665125130
oct6005732714
92066222143
10806860236
113844a7046
121a6271010
13cb2155c0
14792333c0
154ac7ea76
hex3017b5cc

806860236 has 96 divisors (see below), whose sum is σ = 2331076608. Its totient is φ = 211518720.

The previous prime is 806860231. The next prime is 806860247. The reversal of 806860236 is 632068608.

806860236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 806860194 and 806860203.

It is not an unprimeable number, because it can be changed into a prime (806860231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186781 + ... + 191051.

It is an arithmetic number, because the mean of its divisors is an integer number (24282048).

Almost surely, 2806860236 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 806860236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165538304).

806860236 is an abundant number, since it is smaller than the sum of its proper divisors (1524216372).

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

806860236 is a wasteful number, since it uses less digits than its factorization.

806860236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471 (or 4469 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 806860236 is about 28405.2853532578. The cubic root of 806860236 is about 930.9637506110.

The spelling of 806860236 in words is "eight hundred six million, eight hundred sixty thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 173 182 273 346 364 519 546 692 1038 1092 1211 2076 2249 2422 3633 4271 4498 4844 6747 7266 8542 8996 12813 13494 14532 15743 17084 25626 26988 29897 31486 47229 51252 55523 59794 62972 89691 94458 111046 119588 166569 179382 188916 222092 333138 358764 388661 666276 738883 777322 1165983 1477766 1554644 2216649 2331966 2955532 4433298 4663932 5172181 8866596 9605479 10344362 15516543 19210958 20688724 28816437 31033086 38421916 57632874 62066172 67238353 115265748 134476706 201715059 268953412 403430118 806860236