Search a number
-
+
808492355 = 51124728433
BaseRepresentation
bin110000001100001…
…001110101000011
32002100022200000022
4300030021311003
53123433223410
6212120444055
726015033366
oct6014116503
92070280008
10808492355
11385411300
121a691962b
13cb667458
147953a0dd
154aea3455
hex30309d43

808492355 has 24 divisors (see below), whose sum is σ = 1089135936. Its totient is φ = 575463680.

The previous prime is 808492339. The next prime is 808492361. The reversal of 808492355 is 553294808.

It is a Cunningham number, because it is equal to 284342-1.

It is not a de Polignac number, because 808492355 - 24 = 808492339 is a prime.

It is a Duffinian number.

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, 14219 + ... + 42651.

It is an arithmetic number, because the mean of its divisors is an integer number (45380664).

Almost surely, 2808492355 is an apocalyptic number.

808492355 is a deficient number, since it is larger than the sum of its proper divisors (280643581).

808492355 is a wasteful number, since it uses less digits than its factorization.

808492355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28507 (or 28496 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 808492355 is about 28433.9999824154. Note that the first 4 decimals coincide. The cubic root of 808492355 is about 931.5910464739.

The spelling of 808492355 in words is "eight hundred eight million, four hundred ninety-two thousand, three hundred fifty-five".

Divisors: 1 5 11 47 55 121 235 517 605 2585 5687 28433 28435 142165 312763 1336351 1563815 3440393 6681755 14699861 17201965 73499305 161698471 808492355