Base | Representation |
---|---|
bin | 10111011110110… |
… | …10111110110100 |
3 | 111201122122200000 |
4 | 23233122332310 |
5 | 400411340120 |
6 | 31313551300 |
7 | 4611210432 |
oct | 1357327664 |
9 | 451578600 |
10 | 196980660 |
11 | a1210538 |
12 | 55b75530 |
13 | 31a6ac06 |
14 | 1c237d52 |
15 | 1245e990 |
hex | bbdafb4 |
196980660 has 72 divisors (see below), whose sum is σ = 619653216. Its totient is φ = 52526880.
The previous prime is 196980647. The next prime is 196980661. The reversal of 196980660 is 66089691.
196980660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (196980661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15406 + ... + 25125.
Almost surely, 2196980660 is an apocalyptic number.
196980660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
196980660 is an abundant number, since it is smaller than the sum of its proper divisors (422672556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
196980660 is a wasteful number, since it uses less digits than its factorization.
196980660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40555 (or 40541 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 45.
The square root of 196980660 is about 14034.9798717348. The cubic root of 196980660 is about 581.8457450691.
The spelling of 196980660 in words is "one hundred ninety-six million, nine hundred eighty thousand, six hundred sixty".
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