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1896823864 = 231318238691
BaseRepresentation
bin111000100001111…
…0011110000111000
311220012012122011201
41301003303300320
512341041330424
6512115303544
765001510505
oct16103636070
94805178151
101896823864
11893786931
1244b2aabb4
13242c90cb0
1413dcbc4ac
15b17d1d44
hex710f3c38

1896823864 has 16 divisors (see below), whose sum is σ = 3830125320. Its totient is φ = 875457120.

The previous prime is 1896823849. The next prime is 1896823889. The reversal of 1896823864 is 4683286981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9119242 + ... + 9119449.

Almost surely, 21896823864 is an apocalyptic number.

It is an amenable number.

1896823864 is an abundant number, since it is smaller than the sum of its proper divisors (1933301456).

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

1896823864 is a wasteful number, since it uses less digits than its factorization.

1896823864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18238710 (or 18238706 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The square root of 1896823864 is about 43552.5414183834. The cubic root of 1896823864 is about 1237.8717969206.

The spelling of 1896823864 in words is "one billion, eight hundred ninety-six million, eight hundred twenty-three thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 104 18238691 36477382 72954764 145909528 237102983 474205966 948411932 1896823864