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1840094352 = 243212778433
BaseRepresentation
bin110110110101101…
…1001110010010000
311202020110110220200
41231223121302100
512232031004402
6502331335200
763412354365
oct15553316220
94666413820
101840094352
1186475a138
124342b1500
132342ba835
1413655246c
15ab82821c
hex6dad9c90

1840094352 has 30 divisors (see below), whose sum is σ = 5149708902. Its totient is φ = 613364736.

The previous prime is 1840094351. The next prime is 1840094357. The reversal of 1840094352 is 2534900481.

It can be written as a sum of positive squares in only one way, i.e., 1200206736 + 639887616 = 34644^2 + 25296^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1840094351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6389073 + ... + 6389360.

Almost surely, 21840094352 is an apocalyptic number.

1840094352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1840094352 is an abundant number, since it is smaller than the sum of its proper divisors (3309614550).

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

1840094352 is a wasteful number, since it uses less digits than its factorization.

1840094352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12778447 (or 12778438 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1840094352 is about 42896.3209611267. The cubic root of 1840094352 is about 1225.4060798939.

The spelling of 1840094352 in words is "one billion, eight hundred forty million, ninety-four thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 12778433 25556866 38335299 51113732 76670598 102227464 115005897 153341196 204454928 230011794 306682392 460023588 613364784 920047176 1840094352