Base | Representation |
---|---|
bin | 1001011001000… |
… | …0001110100100 |
3 | 2202010010021100 |
4 | 2112100032210 |
5 | 40040404233 |
6 | 3524120100 |
7 | 655536006 |
oct | 226201644 |
9 | 82103240 |
10 | 39388068 |
11 | 20262925 |
12 | 11236030 |
13 | 8211165 |
14 | 5334376 |
15 | 36d0813 |
hex | 25903a4 |
39388068 has 36 divisors (see below), whose sum is σ = 101687040. Its totient is φ = 12849456.
The previous prime is 39388067. The next prime is 39388079. The reversal of 39388068 is 86088393.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (39388067) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9948 + ... + 13331.
It is an arithmetic number, because the mean of its divisors is an integer number (2824640).
Almost surely, 239388068 is an apocalyptic number.
It is an amenable number.
39388068 is an abundant number, since it is smaller than the sum of its proper divisors (62298972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39388068 is a wasteful number, since it uses less digits than its factorization.
39388068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23336 (or 23331 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 39388068 is about 6275.9913957876. The cubic root of 39388068 is about 340.2422379843.
The spelling of 39388068 in words is "thirty-nine million, three hundred eighty-eight thousand, sixty-eight".
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