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20114887 = 132412903
BaseRepresentation
bin100110010111…
…0110111000111
31101211221102211
41030232313013
520122134022
61555044251
7332654662
oct114566707
941757384
1020114887
1110399681
1268a0687
134223800
1429586d9
151b74e77
hex132edc7

20114887 has 12 divisors (see below), whose sum is σ = 22320144. Its totient is φ = 18108480.

The previous prime is 20114879. The next prime is 20114911. The reversal of 20114887 is 78841102.

It is not a de Polignac number, because 20114887 - 23 = 20114879 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 (20114827) 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, 5478 + ... + 8380.

It is an arithmetic number, because the mean of its divisors is an integer number (1860012).

Almost surely, 220114887 is an apocalyptic number.

20114887 is a deficient number, since it is larger than the sum of its proper divisors (2205257).

20114887 is a wasteful number, since it uses less digits than its factorization.

20114887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 20114887 is about 4484.9623186823. The cubic root of 20114887 is about 271.9605217718.

Adding to 20114887 its reverse (78841102), we get a palindrome (98955989).

The spelling of 20114887 in words is "twenty million, one hundred fourteen thousand, eight hundred eighty-seven".

Divisors: 1 13 41 169 533 2903 6929 37739 119023 490607 1547299 20114887