Base | Representation |
---|---|
bin | 11000100100111… |
… | …10001010101100 |
3 | 112100221110100120 |
4 | 30102132022230 |
5 | 410234344443 |
6 | 32242524540 |
7 | 5052256032 |
oct | 1422361254 |
9 | 470843316 |
10 | 206168748 |
11 | a64166a5 |
12 | 59066750 |
13 | 33937056 |
14 | 1d54a552 |
15 | 13177083 |
hex | c49e2ac |
206168748 has 12 divisors (see below), whose sum is σ = 481060440. Its totient is φ = 68722912.
The previous prime is 206168737. The next prime is 206168761. The reversal of 206168748 is 847861602.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8590353 + ... + 8590376.
It is an arithmetic number, because the mean of its divisors is an integer number (40088370).
Almost surely, 2206168748 is an apocalyptic number.
It is an amenable number.
206168748 is an abundant number, since it is smaller than the sum of its proper divisors (274891692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206168748 is a wasteful number, since it uses less digits than its factorization.
206168748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17180736 (or 17180734 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 206168748 is about 14358.5775061459. The cubic root of 206168748 is about 590.7552790185.
The spelling of 206168748 in words is "two hundred six million, one hundred sixty-eight thousand, seven hundred forty-eight".
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