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16103889 = 3212791399
BaseRepresentation
bin111101011011…
…100111010001
31010022011101100
4331123213101
513110311024
61333055013
7253611054
oct75334721
933264340
1016103889
1190aa0aa
125487469
13344ac39
1421d2a9b
1516317c9
hexf5b9d1

16103889 has 12 divisors (see below), whose sum is σ = 23296000. Its totient is φ = 10719864.

The previous prime is 16103881. The next prime is 16103929. The reversal of 16103889 is 98830161.

16103889 is a `hidden beast` number, since 1 + 610 + 38 + 8 + 9 = 666.

It is not a de Polignac number, because 16103889 - 23 = 16103881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16103881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10812 + ... + 12210.

Almost surely, 216103889 is an apocalyptic number.

It is an amenable number.

16103889 is a deficient number, since it is larger than the sum of its proper divisors (7192111).

16103889 is a wasteful number, since it uses less digits than its factorization.

16103889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2681 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 16103889 is about 4012.9651132299. The cubic root of 16103889 is about 252.5284168913.

The spelling of 16103889 in words is "sixteen million, one hundred three thousand, eight hundred eighty-nine".

Divisors: 1 3 9 1279 1399 3837 4197 11511 12591 1789321 5367963 16103889