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1932307940 = 22596615397
BaseRepresentation
bin111001100101100…
…1010110111100100
311222122222102011202
41303023022313210
512424132323230
6515424022032
765612226563
oct16313126744
94878872152
101932307940
11901812612
1245b161918
1324a4361a4
141448b7bda
15b4990a45
hex732cade4

1932307940 has 12 divisors (see below), whose sum is σ = 4057846716. Its totient is φ = 772923168.

The previous prime is 1932307933. The next prime is 1932307963. The reversal of 1932307940 is 497032391.

It can be written as a sum of positive squares in 2 ways, for example, as 471845284 + 1460462656 = 21722^2 + 38216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1932307894 and 1932307903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48307679 + ... + 48307718.

It is an arithmetic number, because the mean of its divisors is an integer number (338153893).

Almost surely, 21932307940 is an apocalyptic number.

1932307940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1932307940 is an abundant number, since it is smaller than the sum of its proper divisors (2125538776).

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

1932307940 is a wasteful number, since it uses less digits than its factorization.

1932307940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96615406 (or 96615404 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 1932307940 is about 43958.0247508916. The cubic root of 1932307940 is about 1245.5431553144.

The spelling of 1932307940 in words is "one billion, nine hundred thirty-two million, three hundred seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 96615397 193230794 386461588 483076985 966153970 1932307940