Base | Representation |
---|---|
bin | 1001001110001… |
… | …1011001101000 |
3 | 2200210011012211 |
4 | 2103203121220 |
5 | 34400231133 |
6 | 3501014504 |
7 | 646530112 |
oct | 223433150 |
9 | 80704184 |
10 | 38680168 |
11 | 1a919a8a |
12 | 10b54434 |
13 | 8023b97 |
14 | 51cc3b2 |
15 | 35e0bcd |
hex | 24e3668 |
38680168 has 16 divisors (see below), whose sum is σ = 76791780. Its totient is φ = 18202368.
The previous prime is 38680163. The next prime is 38680183. The reversal of 38680168 is 86108683.
It can be written as a sum of positive squares in 2 ways, for example, as 29571844 + 9108324 = 5438^2 + 3018^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 38680168.
It is not an unprimeable number, because it can be changed into a prime (38680163) 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, 142071 + ... + 142342.
Almost surely, 238680168 is an apocalyptic number.
It is an amenable number.
38680168 is a deficient number, since it is larger than the sum of its proper divisors (38111612).
38680168 is a wasteful number, since it uses less digits than its factorization.
38680168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284436 (or 284432 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 40.
The square root of 38680168 is about 6219.3382284613. The cubic root of 38680168 is about 338.1915746948.
The spelling of 38680168 in words is "thirty-eight million, six hundred eighty thousand, one hundred sixty-eight".
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