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208142 = 2119461
BaseRepresentation
bin110010110100001110
3101120111222
4302310032
523130032
64243342
71524554
oct626416
9346458
10208142
11132420
12a0552
137397c
1455bd4
1541a12
hex32d0e

208142 has 8 divisors (see below), whose sum is σ = 340632. Its totient is φ = 94600.

The previous prime is 208141. The next prime is 208147. The reversal of 208142 is 241802.

208142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 208142.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 208142.

It is not an unprimeable number, because it can be changed into a prime (208141) 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, 4709 + ... + 4752.

It is an arithmetic number, because the mean of its divisors is an integer number (42579).

2208142 is an apocalyptic number.

208142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

208142 is a deficient number, since it is larger than the sum of its proper divisors (132490).

208142 is a wasteful number, since it uses less digits than its factorization.

208142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 208142 is about 456.2258212771. The cubic root of 208142 is about 59.2634014562.

Adding to 208142 its reverse (241802), we get a palindrome (449944).

The spelling of 208142 in words is "two hundred eight thousand, one hundred forty-two".

Divisors: 1 2 11 22 9461 18922 104071 208142