Search a number
-
+
508864228 = 22197964283
BaseRepresentation
bin11110010101001…
…010011011100100
31022110111222111021
4132111022123210
52020232123403
6122254420524
715416163115
oct3625123344
91273458437
10508864228
11241271254
12122501744
13815699c2
144b82220c
152ea198bd
hex1e54a6e4

508864228 has 12 divisors (see below), whose sum is σ = 890976240. Its totient is φ = 254299592.

The previous prime is 508864177. The next prime is 508864229. The reversal of 508864228 is 822468805.

It is not an unprimeable number, because it can be changed into a prime (508864229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24226 + ... + 40057.

It is an arithmetic number, because the mean of its divisors is an integer number (74248020).

Almost surely, 2508864228 is an apocalyptic number.

It is an amenable number.

508864228 is a deficient number, since it is larger than the sum of its proper divisors (382112012).

508864228 is a wasteful number, since it uses less digits than its factorization.

508864228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66266 (or 66264 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 508864228 is about 22558.0191506258. The cubic root of 508864228 is about 798.3634397879.

The spelling of 508864228 in words is "five hundred eight million, eight hundred sixty-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 1979 3958 7916 64283 128566 257132 127216057 254432114 508864228