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1083780492 = 223187148271
BaseRepresentation
bin100000010011001…
…0010110110001100
32210112022202100020
41000212102312030
54204421433432
6255313102140
735566660614
oct10046226614
92715282306
101083780492
11506847363
12262b57950
131436c2242
14a3d19a44
156523022c
hex40992d8c

1083780492 has 24 divisors (see below), whose sum is σ = 2530225152. Its totient is φ = 361059600.

The previous prime is 1083780487. The next prime is 1083780521. The reversal of 1083780492 is 2940873801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684 + ... + 46587.

It is an arithmetic number, because the mean of its divisors is an integer number (105426048).

Almost surely, 21083780492 is an apocalyptic number.

1083780492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1083780492 is an abundant number, since it is smaller than the sum of its proper divisors (1446444660).

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

1083780492 is a wasteful number, since it uses less digits than its factorization.

1083780492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50149 (or 50147 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1083780492 is about 32920.8215571847. The cubic root of 1083780492 is about 1027.1813128327.

The spelling of 1083780492 in words is "one billion, eighty-three million, seven hundred eighty thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 1871 3742 5613 7484 11226 22452 48271 96542 144813 193084 289626 579252 90315041 180630082 270945123 361260164 541890246 1083780492