Base | Representation |
---|---|
bin | 1100111001000… |
… | …11100111100010 |
3 | 21112111112211121 |
4 | 12130203213202 |
5 | 210141233333 |
6 | 14422002454 |
7 | 2452152562 |
oct | 634434742 |
9 | 245445747 |
10 | 108149218 |
11 | 56058121 |
12 | 3027642a |
13 | 19537b28 |
14 | 10512da2 |
15 | 976432d |
hex | 67239e2 |
108149218 has 8 divisors (see below), whose sum is σ = 164883420. Its totient is φ = 53188080.
The previous prime is 108149213. The next prime is 108149219. The reversal of 108149218 is 812941801.
It can be written as a sum of positive squares in 2 ways, for example, as 105534529 + 2614689 = 10273^2 + 1617^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (108149213) 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, 443113 + ... + 443356.
Almost surely, 2108149218 is an apocalyptic number.
108149218 is a deficient number, since it is larger than the sum of its proper divisors (56734202).
108149218 is an equidigital number, since it uses as much as digits as its factorization.
108149218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 886532.
The product of its (nonzero) digits is 4608, while the sum is 34.
The square root of 108149218 is about 10399.4816216963. The cubic root of 108149218 is about 476.4395376312.
The spelling of 108149218 in words is "one hundred eight million, one hundred forty-nine thousand, two hundred eighteen".
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