Search a number
-
+
805831227 = 33101461641
BaseRepresentation
bin110000000010000…
…000001000111011
32002011022110122000
4300002000020323
53122243044402
6211543432043
725653311115
oct6002001073
92064273560
10805831227
11383963a23
121a5a55623
13cac45116
14790463b5
154ab29c1c
hex3008023b

805831227 has 32 divisors (see below), whose sum is σ = 1210144320. Its totient is φ = 529920000.

The previous prime is 805831219. The next prime is 805831241. The reversal of 805831227 is 722138508.

It is not a de Polignac number, because 805831227 - 23 = 805831219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 805831191 and 805831200.

It is not an unprimeable number, because it can be changed into a prime (805831277) 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, 1256827 + ... + 1257467.

It is an arithmetic number, because the mean of its divisors is an integer number (37817010).

Almost surely, 2805831227 is an apocalyptic number.

805831227 is a deficient number, since it is larger than the sum of its proper divisors (404313093).

805831227 is a wasteful number, since it uses less digits than its factorization.

805831227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 805831227 is about 28387.1665898518. The cubic root of 805831227 is about 930.5678218139.

It can be divided in two parts, 80583 and 1227, that added together give a triangular number (81810 = T404).

The spelling of 805831227 in words is "eight hundred five million, eight hundred thirty-one thousand, two hundred twenty-seven".

Divisors: 1 3 9 27 101 303 461 641 909 1383 1923 2727 4149 5769 12447 17307 46561 64741 139683 194223 295501 419049 582669 886503 1257147 1748007 2659509 7978527 29845601 89536803 268610409 805831227