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2286421820 = 225563203057
BaseRepresentation
bin1000100001001000…
…0000011100111100
312220100022021002122
42020102000130330
514140310444240
61014513542112
7110442156554
oct21022003474
95810267078
102286421820
11a73697611
12539874938
132a58cca27
14179936164
15d5add4b5
hex8848073c

2286421820 has 24 divisors (see below), whose sum is σ = 4810037904. Its totient is φ = 912939776.

The previous prime is 2286421811. The next prime is 2286421847. The reversal of 2286421820 is 281246822.

It is a super-2 number, since 2×22864218202 = 10455449477944224800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90269 + ... + 112788.

It is an arithmetic number, because the mean of its divisors is an integer number (200418246).

Almost surely, 22286421820 is an apocalyptic number.

2286421820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2286421820 is an abundant number, since it is smaller than the sum of its proper divisors (2523616084).

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

2286421820 is a wasteful number, since it uses less digits than its factorization.

2286421820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203629 (or 203627 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 2286421820 is about 47816.5433715153. The cubic root of 2286421820 is about 1317.4034164010.

The spelling of 2286421820 in words is "two billion, two hundred eighty-six million, four hundred twenty-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 563 1126 2252 2815 5630 11260 203057 406114 812228 1015285 2030570 4061140 114321091 228642182 457284364 571605455 1143210910 2286421820