Base | Representation |
---|---|
bin | 1001010100101… |
… | …0011110110001 |
3 | 2201120121101111 |
4 | 2111022132301 |
5 | 40002234020 |
6 | 3514033321 |
7 | 653236060 |
oct | 225123661 |
9 | 81517344 |
10 | 39102385 |
11 | 20088223 |
12 | 11118841 |
13 | 814110a |
14 | 529c1d7 |
15 | 3675d5a |
hex | 254a7b1 |
39102385 has 16 divisors (see below), whose sum is σ = 53784576. Its totient is φ = 26733888.
The previous prime is 39102383. The next prime is 39102391. The reversal of 39102385 is 58320193.
It is a happy number.
39102385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 39102385 - 21 = 39102383 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (39102383) 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 15 ways as a sum of consecutive naturals, for example, 11947 + ... + 14863.
It is an arithmetic number, because the mean of its divisors is an integer number (3361536).
Almost surely, 239102385 is an apocalyptic number.
39102385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
39102385 is a deficient number, since it is larger than the sum of its proper divisors (14682191).
39102385 is a wasteful number, since it uses less digits than its factorization.
39102385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3312.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 39102385 is about 6253.1899859192. The cubic root of 39102385 is about 339.4176449751.
The spelling of 39102385 in words is "thirty-nine million, one hundred two thousand, three hundred eighty-five".
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