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16290111 = 36189017
BaseRepresentation
bin111110001001…
…000100111111
31010122121211110
4332021010333
513132240421
61341053103
7255315015
oct76110477
933577743
1016290111
119217002
125557193
1334b4926
1422408b5
15166ba76
hexf8913f

16290111 has 8 divisors (see below), whose sum is σ = 22076464. Its totient is φ = 10681920.

The previous prime is 16290089. The next prime is 16290119. The reversal of 16290111 is 11109261.

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

It is not a de Polignac number, because 16290111 - 26 = 16290047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290119) 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, 44326 + ... + 44691.

It is an arithmetic number, because the mean of its divisors is an integer number (2759558).

Almost surely, 216290111 is an apocalyptic number.

16290111 is a deficient number, since it is larger than the sum of its proper divisors (5786353).

16290111 is an equidigital number, since it uses as much as digits as its factorization.

16290111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89081.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 16290111 is about 4036.1009650404. The cubic root of 16290111 is about 253.4980840084.

Adding to 16290111 its reverse (11109261), we get a palindrome (27399372).

The spelling of 16290111 in words is "sixteen million, two hundred ninety thousand, one hundred eleven".

Divisors: 1 3 61 183 89017 267051 5430037 16290111