Search a number
-
+
208259012 = 221322917489
BaseRepresentation
bin11000110100111…
…00011111000100
3112111212122122202
430122130133010
5411303242022
632355414032
75106113063
oct1432343704
9474778582
10208259012
11a7614095
12598b4318
13341b95b0
141d9321da
151343b592
hexc69c7c4

208259012 has 24 divisors (see below), whose sum is σ = 394224600. Its totient is φ = 95694336.

The previous prime is 208259011. The next prime is 208259033. The reversal of 208259012 is 210952802.

208259012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1359556 + 206899456 = 1166^2 + 14384^2 .

It is a super-2 number, since 2×2082590122 = 86743632158432288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208259011) 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, 3164 + ... + 20652.

It is an arithmetic number, because the mean of its divisors is an integer number (16426025).

Almost surely, 2208259012 is an apocalyptic number.

It is an amenable number.

208259012 is a deficient number, since it is larger than the sum of its proper divisors (185965588).

208259012 is a wasteful number, since it uses less digits than its factorization.

208259012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17735 (or 17733 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 208259012 is about 14431.1819335770. The cubic root of 208259012 is about 592.7450482165.

The spelling of 208259012 in words is "two hundred eight million, two hundred fifty-nine thousand, twelve".

Divisors: 1 2 4 13 26 52 229 458 916 2977 5954 11908 17489 34978 69956 227357 454714 909428 4004981 8009962 16019924 52064753 104129506 208259012