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208391014 = 2138015039
BaseRepresentation
bin11000110101111…
…00101101100110
3112112010100201201
430122330231212
5411322003024
632402313114
75110202656
oct1432745546
9475110651
10208391014
11a76a4287
125995879a
13342346c0
141d968366
1513465744
hexc6bcb66

208391014 has 8 divisors (see below), whose sum is σ = 336631680. Its totient is φ = 96180456.

The previous prime is 208391011. The next prime is 208391039. The reversal of 208391014 is 410193802.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208391011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4007494 + ... + 4007545.

It is an arithmetic number, because the mean of its divisors is an integer number (42078960).

Almost surely, 2208391014 is an apocalyptic number.

208391014 is a deficient number, since it is larger than the sum of its proper divisors (128240666).

208391014 is a wasteful number, since it uses less digits than its factorization.

208391014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015054.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 208391014 is about 14435.7547083622. The cubic root of 208391014 is about 592.8702560938.

The spelling of 208391014 in words is "two hundred eight million, three hundred ninety-one thousand, fourteen".

Divisors: 1 2 13 26 8015039 16030078 104195507 208391014