Search a number
-
+
208242182 = 2562318517
BaseRepresentation
bin11000110100110…
…00011000000110
3112111211210120102
430122120120012
5411302222212
632355204102
75106013031
oct1432303006
9474753512
10208242182
11a7602485
12598a6632
13341b1a35
141d92a018
15134365c2
hexc698606

208242182 has 8 divisors (see below), whose sum is σ = 312435696. Its totient is φ = 104096952.

The previous prime is 208242149. The next prime is 208242191. The reversal of 208242182 is 281242802.

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

It is a super-2 number, since 2×2082421822 = 86729612728242248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988 + ... + 20504.

It is an arithmetic number, because the mean of its divisors is an integer number (39054462).

Almost surely, 2208242182 is an apocalyptic number.

208242182 is a deficient number, since it is larger than the sum of its proper divisors (104193514).

208242182 is a wasteful number, since it uses less digits than its factorization.

208242182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24142.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 208242182 is about 14430.5988094743. The cubic root of 208242182 is about 592.7290806515.

Adding to 208242182 its reverse (281242802), we get a palindrome (489484984).

The spelling of 208242182 in words is "two hundred eight million, two hundred forty-two thousand, one hundred eighty-two".

Divisors: 1 2 5623 11246 18517 37034 104121091 208242182