Base | Representation |
---|---|
bin | 1001011010100… |
… | …0101111011000 |
3 | 2202022020000000 |
4 | 2112220233120 |
5 | 40102112342 |
6 | 3530213000 |
7 | 656434512 |
oct | 226505730 |
9 | 82266000 |
10 | 39488472 |
11 | 20321301 |
12 | 11284160 |
13 | 8247a7a |
14 | 535cbb2 |
15 | 370044c |
hex | 25a8bd8 |
39488472 has 128 divisors (see below), whose sum is σ = 115915200. Its totient is φ = 12597120.
The previous prime is 39488443. The next prime is 39488473. The reversal of 39488472 is 27488493.
39488472 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 (39488473) 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 31 ways as a sum of consecutive naturals, for example, 647322 + ... + 647382.
Almost surely, 239488472 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 39488472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57957600).
39488472 is an abundant number, since it is smaller than the sum of its proper divisors (76426728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39488472 is an equidigital number, since it uses as much as digits as its factorization.
39488472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125 (or 103 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The square root of 39488472 is about 6283.9853596265. The cubic root of 39488472 is about 340.5310961529.
The spelling of 39488472 in words is "thirty-nine million, four hundred eighty-eight thousand, four hundred seventy-two".
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