Search a number
-
+
220552884 = 22327098641
BaseRepresentation
bin11010010010101…
…01111010110100
3120101000020200100
431021111322310
5422430143014
633515114100
75315445216
oct1511257264
9511006610
10220552884
11103550712
1261a42930
1336902286
14214125b6
1514569009
hexd255eb4

220552884 has 36 divisors (see below), whose sum is σ = 558359620. Its totient is φ = 73405440.

The previous prime is 220552867. The next prime is 220552901. The reversal of 220552884 is 488255022.

220552884 is a `hidden beast` number, since 2 + 20 + 552 + 8 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (220552867) and next prime (220552901).

It can be written as a sum of positive squares in 2 ways, for example, as 15776784 + 204776100 = 3972^2 + 14310^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21204 + ... + 29844.

Almost surely, 2220552884 is an apocalyptic number.

It is an amenable number.

220552884 is an abundant number, since it is smaller than the sum of its proper divisors (337806736).

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

220552884 is a wasteful number, since it uses less digits than its factorization.

220552884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360 (or 9355 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 220552884 is about 14851.0229950667. The cubic root of 220552884 is about 604.1863561040.

The spelling of 220552884 in words is "two hundred twenty million, five hundred fifty-two thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 709 1418 2127 2836 4254 6381 8508 8641 12762 17282 25524 25923 34564 51846 77769 103692 155538 311076 6126469 12252938 18379407 24505876 36758814 55138221 73517628 110276442 220552884