Base | Representation |
---|---|
bin | 1100111000000… |
… | …00100000100000 |
3 | 21112020020120022 |
4 | 12130000200200 |
5 | 210122133113 |
6 | 14414533012 |
7 | 2451013400 |
oct | 634004040 |
9 | 245206508 |
10 | 108005408 |
11 | 55a6a075 |
12 | 30207168 |
13 | 194b7534 |
14 | 104b6800 |
15 | 9736908 |
hex | 6700820 |
108005408 has 36 divisors (see below), whose sum is σ = 247355262. Its totient is φ = 46287360.
The previous prime is 108005323. The next prime is 108005411. The reversal of 108005408 is 804500801.
It can be written as a sum of positive squares in only one way, i.e., 107910544 + 94864 = 10388^2 + 308^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32873 + ... + 36008.
Almost surely, 2108005408 is an apocalyptic number.
It is an amenable number.
108005408 is an abundant number, since it is smaller than the sum of its proper divisors (139349854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108005408 is an equidigital number, since it uses as much as digits as its factorization.
108005408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68905 (or 68890 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 26.
The square root of 108005408 is about 10392.5650346774. The cubic root of 108005408 is about 476.2282642216.
The spelling of 108005408 in words is "one hundred eight million, five thousand, four hundred eight".
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