Search a number
-
+
220131102 = 2382344579
BaseRepresentation
bin11010001111011…
…10111100011110
3120100012211002210
431013232330132
5422323143402
633502101250
75312040432
oct1507567436
9510184083
10220131102
11103292834
126187a826
13367b52b9
14213429c2
15144d406c
hexd1eef1e

220131102 has 16 divisors (see below), whose sum is σ = 440807040. Its totient is φ = 73286232.

The previous prime is 220131089. The next prime is 220131133. The reversal of 220131102 is 201131022.

It is a congruent number.

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, 17352 + ... + 27227.

It is an arithmetic number, because the mean of its divisors is an integer number (27550440).

Almost surely, 2220131102 is an apocalyptic number.

220131102 is an abundant number, since it is smaller than the sum of its proper divisors (220675938).

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

220131102 is a wasteful number, since it uses less digits than its factorization.

220131102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45407.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 220131102 is about 14836.8157634986. The cubic root of 220131102 is about 603.8009647104.

Adding to 220131102 its reverse (201131022), we get a palindrome (421262124).

The spelling of 220131102 in words is "two hundred twenty million, one hundred thirty-one thousand, one hundred two".

Divisors: 1 2 3 6 823 1646 2469 4938 44579 89158 133737 267474 36688517 73377034 110065551 220131102