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16888089 = 3172691231
BaseRepresentation
bin100000001101…
…1000100011001
31011210000002210
41000123010121
513310404324
61401545333
7263355261
oct100330431
934700083
1016888089
1195952a9
1257a5249
133663b6a
1423587a1
151738d29
hex101b119

16888089 has 16 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 10548480.

The previous prime is 16888061. The next prime is 16888097. The reversal of 16888089 is 98088861.

It is not a de Polignac number, because 16888089 - 27 = 16887961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16888099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13104 + ... + 14334.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 216888089 is an apocalyptic number.

It is an amenable number.

16888089 is a deficient number, since it is larger than the sum of its proper divisors (7061991).

16888089 is a wasteful number, since it uses less digits than its factorization.

16888089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 221184, while the sum is 48.

The square root of 16888089 is about 4109.5120148261. The cubic root of 16888089 is about 256.5626915300.

The spelling of 16888089 in words is "sixteen million, eight hundred eighty-eight thousand, eighty-nine".

Divisors: 1 3 17 51 269 807 1231 3693 4573 13719 20927 62781 331139 993417 5629363 16888089