Base | Representation |
---|---|
bin | 111000000000011… |
… | …100101010001101 |
3 | 2102111002201210111 |
4 | 320000130222031 |
5 | 3411022011420 |
6 | 233123440021 |
7 | 32166551356 |
oct | 7000345215 |
9 | 2374081714 |
10 | 939641485 |
11 | 442448612 |
12 | 222826011 |
13 | 11c895ca3 |
14 | 8cb18d2d |
15 | 5775c45a |
hex | 3801ca8d |
939641485 has 24 divisors (see below), whose sum is σ = 1219160376. Its totient is φ = 694725120.
The previous prime is 939641449. The next prime is 939641491. The reversal of 939641485 is 584146939.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 13169641 + 926471844 = 3629^2 + 30438^2 .
It is not a de Polignac number, because 939641485 - 213 = 939633293 is a prime.
It is a super-2 number, since 2×9396414852 = 1765852240666010450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67657 + ... + 80353.
It is an arithmetic number, because the mean of its divisors is an integer number (50798349).
Almost surely, 2939641485 is an apocalyptic number.
939641485 is a gapful number since it is divisible by the number (95) formed by its first and last digit.
It is an amenable number.
939641485 is a deficient number, since it is larger than the sum of its proper divisors (279518891).
939641485 is a wasteful number, since it uses less digits than its factorization.
939641485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12781 (or 12762 counting only the distinct ones).
The product of its digits is 933120, while the sum is 49.
The square root of 939641485 is about 30653.5721409431. The cubic root of 939641485 is about 979.4615551794.
The spelling of 939641485 in words is "nine hundred thirty-nine million, six hundred forty-one thousand, four hundred eighty-five".
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