Base | Representation |
---|---|
bin | 1001011001000… |
… | …0001101111110 |
3 | 2202010010012221 |
4 | 2112100031332 |
5 | 40040404110 |
6 | 3524115554 |
7 | 655535623 |
oct | 226201576 |
9 | 82103187 |
10 | 39388030 |
11 | 202628a0 |
12 | 11235bba |
13 | 8211136 |
14 | 533434a |
15 | 36d07da |
hex | 259037e |
39388030 has 16 divisors (see below), whose sum is σ = 77343984. Its totient is φ = 14322880.
The previous prime is 39388009. The next prime is 39388033. The reversal of 39388030 is 3088393.
It is a happy number.
39388030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39388033) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 178927 + ... + 179146.
It is an arithmetic number, because the mean of its divisors is an integer number (4833999).
Almost surely, 239388030 is an apocalyptic number.
39388030 is a deficient number, since it is larger than the sum of its proper divisors (37955954).
39388030 is a wasteful number, since it uses less digits than its factorization.
39388030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358091.
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 39388030 is about 6275.9883683767. The cubic root of 39388030 is about 340.2421285670.
The spelling of 39388030 in words is "thirty-nine million, three hundred eighty-eight thousand, thirty".
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