Base | Representation |
---|---|
bin | 1001010100011… |
… | …0111100001101 |
3 | 2201112212111110 |
4 | 2111012330031 |
5 | 40001303020 |
6 | 3513442233 |
7 | 653145564 |
oct | 225067415 |
9 | 81485443 |
10 | 39087885 |
11 | 20078341 |
12 | 11110379 |
13 | 8137635 |
14 | 5296bdb |
15 | 36718e0 |
hex | 2546f0d |
39087885 has 16 divisors (see below), whose sum is σ = 63567360. Its totient is φ = 20504640.
The previous prime is 39087877. The next prime is 39087899. The reversal of 39087885 is 58878093.
It is a happy number.
39087885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 39087885 - 23 = 39087877 is a prime.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 20445 + ... + 22274.
It is an arithmetic number, because the mean of its divisors is an integer number (3972960).
Almost surely, 239087885 is an apocalyptic number.
It is an amenable number.
39087885 is a deficient number, since it is larger than the sum of its proper divisors (24479475).
39087885 is a wasteful number, since it uses less digits than its factorization.
39087885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42788.
The product of its (nonzero) digits is 483840, while the sum is 48.
The square root of 39087885 is about 6252.0304701753. The cubic root of 39087885 is about 339.3756853494.
The spelling of 39087885 in words is "thirty-nine million, eighty-seven thousand, eight hundred eighty-five".
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