Search a number
-
+
108288071 = 234708177
BaseRepresentation
bin1100111010001…
…01100001000111
321112202121022022
412131011201013
5210210204241
614424553355
72453301443
oct635054107
9245677268
10108288071
1156142481
123032285b
13195860a8
141054b823
15979054b
hex6745847

108288071 has 4 divisors (see below), whose sum is σ = 112996272. Its totient is φ = 103579872.

The previous prime is 108288043. The next prime is 108288073. The reversal of 108288071 is 170882801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170882801 = 237429687.

It is a cyclic number.

It is not a de Polignac number, because 108288071 - 26 = 108288007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108288073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354066 + ... + 2354111.

It is an arithmetic number, because the mean of its divisors is an integer number (28249068).

Almost surely, 2108288071 is an apocalyptic number.

108288071 is a deficient number, since it is larger than the sum of its proper divisors (4708201).

108288071 is an equidigital number, since it uses as much as digits as its factorization.

108288071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708200.

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 108288071 is about 10406.1554380088. The cubic root of 108288071 is about 476.6433509930.

The spelling of 108288071 in words is "one hundred eight million, two hundred eighty-eight thousand, seventy-one".

Divisors: 1 23 4708177 108288071