Search a number
-
+
808561625 = 5319340447
BaseRepresentation
bin110000001100011…
…010101111011001
32002100110012000212
4300030122233121
53123442433000
6212122140505
726015442344
oct6014325731
92070405025
10808561625
11385459353
121a6951735
13cb68cb41
147955745b
154aeb8c35
hex3031abd9

808561625 has 16 divisors (see below), whose sum is σ = 1062197760. Its totient is φ = 612802800.

The previous prime is 808561613. The next prime is 808561631. The reversal of 808561625 is 526165808.

808561625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 808561625 - 210 = 808560601 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167849 + ... + 172598.

It is an arithmetic number, because the mean of its divisors is an integer number (66387360).

Almost surely, 2808561625 is an apocalyptic number.

It is an amenable number.

808561625 is a deficient number, since it is larger than the sum of its proper divisors (253636135).

808561625 is a wasteful number, since it uses less digits than its factorization.

808561625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340481 (or 340471 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 808561625 is about 28435.2180403105. The cubic root of 808561625 is about 931.6176513302.

The spelling of 808561625 in words is "eight hundred eight million, five hundred sixty-one thousand, six hundred twenty-five".

Divisors: 1 5 19 25 95 125 475 2375 340447 1702235 6468493 8511175 32342465 42555875 161712325 808561625