Base | Representation |
---|---|
bin | 100100001011… |
… | …0111010000100 |
3 | 1022200200110210 |
4 | 1020112322010 |
5 | 14323440241 |
6 | 1514315420 |
7 | 320140602 |
oct | 110267204 |
9 | 38620423 |
10 | 18968196 |
11 | a7860a5 |
12 | 6428b70 |
13 | 3c118b0 |
14 | 273a872 |
15 | 19ea316 |
hex | 1216e84 |
18968196 has 24 divisors (see below), whose sum is σ = 47664064. Its totient is φ = 5836320.
The previous prime is 18968189. The next prime is 18968197. The reversal of 18968196 is 69186981.
It is not an unprimeable number, because it can be changed into a prime (18968197) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60640 + ... + 60951.
Almost surely, 218968196 is an apocalyptic number.
It is an amenable number.
18968196 is an abundant number, since it is smaller than the sum of its proper divisors (28695868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18968196 is a wasteful number, since it uses less digits than its factorization.
18968196 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121611 (or 121609 counting only the distinct ones).
The product of its digits is 186624, while the sum is 48.
The square root of 18968196 is about 4355.2492465989. The cubic root of 18968196 is about 266.6911942717.
The spelling of 18968196 in words is "eighteen million, nine hundred sixty-eight thousand, one hundred ninety-six".
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