Base | Representation |
---|---|
bin | 1001011011110… |
… | …1001010110000 |
3 | 2202110110202222 |
4 | 2112331022300 |
5 | 40112302034 |
6 | 3532100212 |
7 | 660233453 |
oct | 226751260 |
9 | 82413688 |
10 | 39572144 |
11 | 20379157 |
12 | 11304668 |
13 | 8276b91 |
14 | 538149a |
15 | 371a12e |
hex | 25bd2b0 |
39572144 has 40 divisors (see below), whose sum is σ = 80566272. Its totient is φ = 18793280.
The previous prime is 39572119. The next prime is 39572171. The reversal of 39572144 is 44127593.
39572144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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, 70007 + ... + 70569.
Almost surely, 239572144 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 39572144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40283136).
39572144 is an abundant number, since it is smaller than the sum of its proper divisors (40994128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39572144 is a wasteful number, since it uses less digits than its factorization.
39572144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 785 (or 779 counting only the distinct ones).
The product of its digits is 30240, while the sum is 35.
The square root of 39572144 is about 6290.6393951649. The cubic root of 39572144 is about 340.7714432345.
The spelling of 39572144 in words is "thirty-nine million, five hundred seventy-two thousand, one hundred forty-four".
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