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2144819238 = 231104732359
BaseRepresentation
bin111111111010111…
…0101100000100110
312112110212002212120
41333311311200212
513343033203423
6552454530410
7104102443212
oct17765654046
95473762776
102144819238
11a00770491
124ba366a06
13282481113
14164bd5942
15c846bee3
hex7fd75826

2144819238 has 16 divisors (see below), whose sum is σ = 4290159360. Its totient is φ = 714852936.

The previous prime is 2144819203. The next prime is 2144819279. The reversal of 2144819238 is 8329184412.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144819238.

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 7 ways as a sum of consecutive naturals, for example, 50103 + ... + 82461.

It is an arithmetic number, because the mean of its divisors is an integer number (268134960).

Almost surely, 22144819238 is an apocalyptic number.

2144819238 is an abundant number, since it is smaller than the sum of its proper divisors (2145340122).

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

2144819238 is a wasteful number, since it uses less digits than its factorization.

2144819238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43411.

The product of its digits is 110592, while the sum is 42.

The square root of 2144819238 is about 46312.1931892671. The cubic root of 2144819238 is about 1289.6253620344.

The spelling of 2144819238 in words is "two billion, one hundred forty-four million, eight hundred nineteen thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 11047 22094 32359 33141 64718 66282 97077 194154 357469873 714939746 1072409619 2144819238