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16894087 = 72938237
BaseRepresentation
bin100000001110…
…0100010000111
31011210022022221
41000130202013
513311102322
61402033211
7263411620
oct100344207
934708287
1016894087
119599861
1257a8807
133666802
14235aa47
15173a9c7
hex101c887

16894087 has 8 divisors (see below), whose sum is σ = 19375776. Its totient is φ = 14429472.

The previous prime is 16894081. The next prime is 16894109. The reversal of 16894087 is 78049861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16894087 - 23 = 16894079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16894081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068 + ... + 6169.

It is an arithmetic number, because the mean of its divisors is an integer number (2421972).

Almost surely, 216894087 is an apocalyptic number.

16894087 is a deficient number, since it is larger than the sum of its proper divisors (2481689).

16894087 is an equidigital number, since it uses as much as digits as its factorization.

16894087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 16894087 is about 4110.2417203858. The cubic root of 16894087 is about 256.5930616699.

It can be divided in two parts, 1689 and 4087, that added together give a square (5776 = 762).

The spelling of 16894087 in words is "sixteen million, eight hundred ninety-four thousand, eighty-seven".

Divisors: 1 7 293 2051 8237 57659 2413441 16894087