Search a number
-
+
52285981806 = 2324776980369
BaseRepresentation
bin110000101100011111…
…001100010001101110
311222221220022002010200
4300230133030101232
51324040202404211
640004142014330
73530460340512
oct605437142156
9158856262120
1052285981806
11201a108a013
12a1725773a6
134c13547396
142760190142
1515603e7b56
hexc2c7cc46e

52285981806 has 48 divisors (see below), whose sum is σ = 115848532800. Its totient is φ = 17035444224.

The previous prime is 52285981799. The next prime is 52285981819. The reversal of 52285981806 is 60818958225.

It is a happy number.

52285981806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 610390 + ... + 690758.

It is an arithmetic number, because the mean of its divisors is an integer number (2413511100).

Almost surely, 252285981806 is an apocalyptic number.

52285981806 is an abundant number, since it is smaller than the sum of its proper divisors (63562550994).

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

52285981806 is a wasteful number, since it uses less digits than its factorization.

52285981806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81193 (or 81190 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 52285981806 in words is "fifty-two billion, two hundred eighty-five million, nine hundred eighty-one thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 769 846 1538 2307 4614 6921 13842 36143 72286 80369 108429 160738 216858 241107 325287 482214 650574 723321 1446642 3777343 7554686 11332029 22664058 33996087 61803761 67992174 123607522 185411283 370822566 556233849 1112467698 2904776767 5809553534 8714330301 17428660602 26142990903 52285981806