Base | Representation |
---|---|
bin | 10111000100001… |
… | …10100010101100 |
3 | 111111002021002210 |
4 | 23202012202230 |
5 | 344013122233 |
6 | 31111050420 |
7 | 4536426033 |
oct | 1342064254 |
9 | 444067083 |
10 | 193489068 |
11 | 9a246223 |
12 | 54970a10 |
13 | 31117896 |
14 | 1b9a971a |
15 | 11ec0163 |
hex | b8868ac |
193489068 has 12 divisors (see below), whose sum is σ = 451474520. Its totient is φ = 64496352.
The previous prime is 193489067. The next prime is 193489111. The reversal of 193489068 is 860984391.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (193489067) 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, 8062033 + ... + 8062056.
Almost surely, 2193489068 is an apocalyptic number.
It is an amenable number.
193489068 is an abundant number, since it is smaller than the sum of its proper divisors (257985452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193489068 is a wasteful number, since it uses less digits than its factorization.
193489068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16124096 (or 16124094 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 48.
The square root of 193489068 is about 13910.0347950679. The cubic root of 193489068 is about 578.3873833404.
The spelling of 193489068 in words is "one hundred ninety-three million, four hundred eighty-nine thousand, sixty-eight".
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