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208041 = 3312237
BaseRepresentation
bin110010110010101001
3101120101020
4302302221
523124131
64243053
71524351
oct626251
9346336
10208041
11132339
12a0489
1373902
1455b61
1541996
hex32ca9

208041 has 8 divisors (see below), whose sum is σ = 286464. Its totient is φ = 134160.

The previous prime is 208037. The next prime is 208049. The reversal of 208041 is 140802.

208041 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 not a de Polignac number, because 208041 - 22 = 208037 is a prime.

It is an Ulam number.

208041 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 208041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208049) 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, 1026 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (35808).

2208041 is an apocalyptic number.

It is an amenable number.

208041 is a deficient number, since it is larger than the sum of its proper divisors (78423).

208041 is a wasteful number, since it uses less digits than its factorization.

208041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 208041 is about 456.1151170483. The cubic root of 208041 is about 59.2538141361.

Adding to 208041 its reverse (140802), we get a palindrome (348843).

The spelling of 208041 in words is "two hundred eight thousand, forty-one".

Divisors: 1 3 31 93 2237 6711 69347 208041