Search a number
-
+
816801832 = 237111325977
BaseRepresentation
bin110000101011110…
…110100000101000
32002220221211110201
4300223312200220
53133100124312
6213014521544
726145462310
oct6053664050
92086854421
10816801832
1138a077340
121a96662b4
131002b66c2
147a6a0440
154ba95557
hex30af6828

816801832 has 32 divisors (see below), whose sum is σ = 1909408320. Its totient is φ = 318234240.

The previous prime is 816801827. The next prime is 816801863. The reversal of 816801832 is 238108618.

It is a junction number, because it is equal to n+sod(n) for n = 816801791 and 816801800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662373 + ... + 663604.

It is an arithmetic number, because the mean of its divisors is an integer number (59669010).

Almost surely, 2816801832 is an apocalyptic number.

It is an amenable number.

816801832 is an abundant number, since it is smaller than the sum of its proper divisors (1092606488).

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

816801832 is a wasteful number, since it uses less digits than its factorization.

816801832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326001 (or 1325997 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 816801832 is about 28579.7451353227. The cubic root of 816801832 is about 934.7717257555.

The spelling of 816801832 in words is "eight hundred sixteen million, eight hundred one thousand, eight hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 1325977 2651954 5303908 9281839 10607816 14585747 18563678 29171494 37127356 58342988 74254712 102100229 116685976 204200458 408400916 816801832