Search a number
-
+
8989944352 = 251755729669
BaseRepresentation
bin10000101111101011…
…11010101000100000
3212012112011111020221
420113311322220200
5121402411204402
64044021412424
7435531160204
oct102765725040
925175144227
108989944352
1138a3653284
1218aa86a114
13b0366c2cc
14613d58b04
15379392337
hex217d7aa20

8989944352 has 48 divisors (see below), whose sum is σ = 18774345240. Its totient is φ = 4222824448.

The previous prime is 8989944347. The next prime is 8989944391. The reversal of 8989944352 is 2534499898.

It can be written as a sum of positive squares in 4 ways, for example, as 4272452496 + 4717491856 = 65364^2 + 68684^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288174 + ... + 317842.

Almost surely, 28989944352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8989944352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9387172620).

8989944352 is an abundant number, since it is smaller than the sum of its proper divisors (9784400888).

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

8989944352 is a wasteful number, since it uses less digits than its factorization.

8989944352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30253 (or 30245 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 61.

The square root of 8989944352 is about 94815.3170748271. The cubic root of 8989944352 is about 2079.3088458086.

The spelling of 8989944352 in words is "eight billion, nine hundred eighty-nine million, nine hundred forty-four thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 557 1114 2228 4456 8912 9469 17824 18938 29669 37876 59338 75752 118676 151504 237352 303008 474704 504373 949408 1008746 2017492 4034984 8069968 16139936 16525633 33051266 66102532 132205064 264410128 280935761 528820256 561871522 1123743044 2247486088 4494972176 8989944352