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16889055 = 354672411
BaseRepresentation
bin100000001101…
…1010011011111
31011210001102120
41000123103133
513310422210
61401554023
7263361141
oct100332337
934701376
1016889055
119595aa7
1257a5913
133664431
142358c91
151739270
hex101b4df

16889055 has 16 divisors (see below), whose sum is σ = 27091584. Its totient is φ = 8984480.

The previous prime is 16889023. The next prime is 16889069. The reversal of 16889055 is 55098861.

It is not a de Polignac number, because 16889055 - 25 = 16889023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16888998 and 16889016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5800 + ... + 8210.

It is an arithmetic number, because the mean of its divisors is an integer number (1693224).

Almost surely, 216889055 is an apocalyptic number.

16889055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16889055 is a deficient number, since it is larger than the sum of its proper divisors (10202529).

16889055 is a wasteful number, since it uses less digits than its factorization.

16889055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 16889055 is about 4109.6295453483. The cubic root of 16889055 is about 256.5675832387.

The spelling of 16889055 in words is "sixteen million, eight hundred eighty-nine thousand, fifty-five".

Divisors: 1 3 5 15 467 1401 2335 2411 7005 7233 12055 36165 1125937 3377811 5629685 16889055