Base | Representation |
---|---|
bin | 1100111101000… |
… | …10011011101000 |
3 | 21120110221100202 |
4 | 12132202123220 |
5 | 210304344043 |
6 | 14441051332 |
7 | 2456445134 |
oct | 636423350 |
9 | 246427322 |
10 | 108668648 |
11 | 56382400 |
12 | 30486b48 |
13 | 1968a39a |
14 | 1060a3c4 |
15 | 98181b8 |
hex | 67a26e8 |
108668648 has 24 divisors (see below), whose sum is σ = 223962690. Its totient is φ = 49394400.
The previous prime is 108668647. The next prime is 108668669. The reversal of 108668648 is 846866801.
It can be written as a sum of positive squares in only one way, i.e., 56280004 + 52388644 = 7502^2 + 7238^2 .
It is not an unprimeable number, because it can be changed into a prime (108668647) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55163 + ... + 57098.
Almost surely, 2108668648 is an apocalyptic number.
It is an amenable number.
108668648 is an abundant number, since it is smaller than the sum of its proper divisors (115294042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108668648 is a wasteful number, since it uses less digits than its factorization.
108668648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112289 (or 112274 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 47.
The square root of 108668648 is about 10424.4255477220. The cubic root of 108668648 is about 477.2010837151.
The spelling of 108668648 in words is "one hundred eight million, six hundred sixty-eight thousand, six hundred forty-eight".
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