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208873086 = 2349337057
BaseRepresentation
bin11000111001100…
…10011001111110
3112120000212000020
430130302121332
5411432414321
632420513010
75114251302
oct1434623176
9476025006
10208873086
11a79a3494
1259b4b766
1334372c56
141da51d02
151350d4c6
hexc73267e

208873086 has 16 divisors (see below), whose sum is σ = 417890064. Its totient is φ = 69600384.

The previous prime is 208873043. The next prime is 208873087. The reversal of 208873086 is 680378802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208873087) 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, 26070 + ... + 33126.

It is an arithmetic number, because the mean of its divisors is an integer number (26118129).

Almost surely, 2208873086 is an apocalyptic number.

208873086 is an abundant number, since it is smaller than the sum of its proper divisors (209016978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208873086 is a wasteful number, since it uses less digits than its factorization.

208873086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11995.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 208873086 is about 14452.4422157641. The cubic root of 208873086 is about 593.3270672934.

The spelling of 208873086 in words is "two hundred eight million, eight hundred seventy-three thousand, eighty-six".

Divisors: 1 2 3 6 4933 7057 9866 14114 14799 21171 29598 42342 34812181 69624362 104436543 208873086