Search a number
-
+
208116027 = 3371101143
BaseRepresentation
bin11000110011110…
…01100100111011
3112111121101112000
430121321210323
5411234203102
632352352043
75104646160
oct1431714473
9474541460
10208116027
11a7526719
1259845623
13341694a2
141d8d6067
151340e01c
hexc67993b

208116027 has 16 divisors (see below), whose sum is σ = 352366080. Its totient is φ = 118923336.

The previous prime is 208116017. The next prime is 208116031. The reversal of 208116027 is 720611802.

It is not a de Polignac number, because 208116027 - 220 = 207067451 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (208116017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550383 + ... + 550760.

It is an arithmetic number, because the mean of its divisors is an integer number (22022880).

Almost surely, 2208116027 is an apocalyptic number.

208116027 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

208116027 is a deficient number, since it is larger than the sum of its proper divisors (144250053).

208116027 is a wasteful number, since it uses less digits than its factorization.

208116027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101159 (or 1101153 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 208116027 is about 14426.2270535300. The cubic root of 208116027 is about 592.6093629244.

Adding to 208116027 its reverse (720611802), we get a palindrome (928727829).

The spelling of 208116027 in words is "two hundred eight million, one hundred sixteen thousand, twenty-seven".

Divisors: 1 3 7 9 21 27 63 189 1101143 3303429 7708001 9910287 23124003 29730861 69372009 208116027