Base | Representation |
---|---|
bin | 1100111001001… |
… | …10000100111101 |
3 | 21112112001122202 |
4 | 12130212010331 |
5 | 210142044133 |
6 | 14422121245 |
7 | 2452224134 |
oct | 634460475 |
9 | 245461582 |
10 | 108159293 |
11 | 56064750 |
12 | 30280225 |
13 | 1953c5a8 |
14 | 1051691b |
15 | 97672e8 |
hex | 672613d |
108159293 has 4 divisors (see below), whose sum is σ = 117991968. Its totient is φ = 98326620.
The previous prime is 108159257. The next prime is 108159307. The reversal of 108159293 is 392951801.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 392951801 = 11 ⋅35722891.
It is a cyclic number.
It is not a de Polignac number, because 108159293 - 212 = 108155197 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108159203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4916321 + ... + 4916342.
It is an arithmetic number, because the mean of its divisors is an integer number (29497992).
Almost surely, 2108159293 is an apocalyptic number.
It is an amenable number.
108159293 is a deficient number, since it is larger than the sum of its proper divisors (9832675).
108159293 is an equidigital number, since it uses as much as digits as its factorization.
108159293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9832674.
The product of its (nonzero) digits is 19440, while the sum is 38.
The square root of 108159293 is about 10399.9660095598. The cubic root of 108159293 is about 476.4543319416.
The spelling of 108159293 in words is "one hundred eight million, one hundred fifty-nine thousand, two hundred ninety-three".
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