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2481889172 = 22788638899
BaseRepresentation
bin1001001111101110…
…1001111110010100
320101222010000220012
42103323221332110
520040330423142
61050135255352
7115334465330
oct22373517624
96358100805
102481889172
111063a64084
1259321a558
1330725ab99
141978987c0
15e7d4e882
hex93ee9f94

2481889172 has 12 divisors (see below), whose sum is σ = 4963778400. Its totient is φ = 1063666776.

The previous prime is 2481889159. The next prime is 2481889187. The reversal of 2481889172 is 2719881842.

2481889172 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2481889172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44319422 + ... + 44319477.

It is an arithmetic number, because the mean of its divisors is an integer number (413648200).

Almost surely, 22481889172 is an apocalyptic number.

It is an amenable number.

2481889172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2481889172 is a wasteful number, since it uses less digits than its factorization.

2481889172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88638910 (or 88638908 counting only the distinct ones).

The product of its digits is 516096, while the sum is 50.

The square root of 2481889172 is about 49818.5625244246. The cubic root of 2481889172 is about 1353.9235055008.

The spelling of 2481889172 in words is "two billion, four hundred eighty-one million, eight hundred eighty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 88638899 177277798 354555596 620472293 1240944586 2481889172