Base | Representation |
---|---|
bin | 1001011001000… |
… | …0000000100000 |
3 | 2202010002001000 |
4 | 2112100000200 |
5 | 40040342133 |
6 | 3524112000 |
7 | 655533252 |
oct | 226200040 |
9 | 82102030 |
10 | 39387168 |
11 | 20262187 |
12 | 11235600 |
13 | 8210922 |
14 | 5333cd2 |
15 | 36d0413 |
hex | 2590020 |
39387168 has 48 divisors (see below), whose sum is σ = 114881760. Its totient is φ = 13128768.
The previous prime is 39387163. The next prime is 39387193. The reversal of 39387168 is 86178393.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (39387163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21930 + ... + 23657.
It is an arithmetic number, because the mean of its divisors is an integer number (2393370).
Almost surely, 239387168 is an apocalyptic number.
It is an amenable number.
39387168 is an abundant number, since it is smaller than the sum of its proper divisors (75494592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39387168 is a wasteful number, since it uses less digits than its factorization.
39387168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45606 (or 45592 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 39387168 is about 6275.9196935589. The cubic root of 39387168 is about 340.2396465028.
The spelling of 39387168 in words is "thirty-nine million, three hundred eighty-seven thousand, one hundred sixty-eight".
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