Base | Representation |
---|---|
bin | 1001010011100… |
… | …0100010001000 |
3 | 2201102212112210 |
4 | 2110320202020 |
5 | 34442410442 |
6 | 3512305120 |
7 | 652511541 |
oct | 224704210 |
9 | 81385483 |
10 | 39028872 |
11 | 20037a73 |
12 | 110a21a0 |
13 | 811680c |
14 | 527d4c8 |
15 | 365e19c |
hex | 2538888 |
39028872 has 64 divisors (see below), whose sum is σ = 103982400. Its totient is φ = 12207360.
The previous prime is 39028859. The next prime is 39028877. The reversal of 39028872 is 27882093.
It is a self number, because there is not a number n which added to its sum of digits gives 39028872.
It is not an unprimeable number, because it can be changed into a prime (39028877) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117747 + ... + 118077.
It is an arithmetic number, because the mean of its divisors is an integer number (1624725).
Almost surely, 239028872 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 39028872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51991200).
39028872 is an abundant number, since it is smaller than the sum of its proper divisors (64953528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39028872 is a wasteful number, since it uses less digits than its factorization.
39028872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 391 (or 353 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 39028872 is about 6247.3091807593. The cubic root of 39028872 is about 339.2048083230.
The spelling of 39028872 in words is "thirty-nine million, twenty-eight thousand, eight hundred seventy-two".
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