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2243071840 = 25514019199
BaseRepresentation
bin1000010110110010…
…1000111101100000
312210022201212002211
42011230220331200
514043211244330
61010324451504
7106404540022
oct20554507540
95708655084
102243071840
11a51179089
12527249b94
13299932459
14173c90012
15d1dc8d2a
hex85b28f60

2243071840 has 24 divisors (see below), whose sum is σ = 5299257600. Its totient is φ = 897228672.

The previous prime is 2243071837. The next prime is 2243071843. The reversal of 2243071840 is 481703422.

It is an interprime number because it is at equal distance from previous prime (2243071837) and next prime (2243071843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243071843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7009440 + ... + 7009759.

It is an arithmetic number, because the mean of its divisors is an integer number (220802400).

Almost surely, 22243071840 is an apocalyptic number.

2243071840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243071840 is an abundant number, since it is smaller than the sum of its proper divisors (3056185760).

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

2243071840 is a wasteful number, since it uses less digits than its factorization.

2243071840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14019214 (or 14019206 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2243071840 is about 47361.0793795918. The cubic root of 2243071840 is about 1309.0243575642.

The spelling of 2243071840 in words is "two billion, two hundred forty-three million, seventy-one thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 14019199 28038398 56076796 70095995 112153592 140191990 224307184 280383980 448614368 560767960 1121535920 2243071840