Base | Representation |
---|---|
bin | 1100111000000… |
… | …01001010110011 |
3 | 21112020101021120 |
4 | 12130001022303 |
5 | 210122224430 |
6 | 14414553323 |
7 | 2451024315 |
oct | 634011263 |
9 | 245211246 |
10 | 108008115 |
11 | 55a71106 |
12 | 30208843 |
13 | 194b8837 |
14 | 104b77b5 |
15 | 9737610 |
hex | 67012b3 |
108008115 has 32 divisors (see below), whose sum is σ = 184190976. Its totient is φ = 53919360.
The previous prime is 108008113. The next prime is 108008119. The reversal of 108008115 is 511800801.
It is not a de Polignac number, because 108008115 - 21 = 108008113 is a prime.
It is not an unprimeable number, because it can be changed into a prime (108008113) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12885 + ... + 19545.
It is an arithmetic number, because the mean of its divisors is an integer number (5755968).
Almost surely, 2108008115 is an apocalyptic number.
108008115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
108008115 is a deficient number, since it is larger than the sum of its proper divisors (76182861).
108008115 is a wasteful number, since it uses less digits than its factorization.
108008115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6739.
The product of its (nonzero) digits is 320, while the sum is 24.
The square root of 108008115 is about 10392.6952711989. The cubic root of 108008115 is about 476.2322428469.
Adding to 108008115 its reverse (511800801), we get a palindrome (619808916).
It can be divided in two parts, 10800 and 8115, that added together give a triangular number (18915 = T194).
The spelling of 108008115 in words is "one hundred eight million, eight thousand, one hundred fifteen".
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