Base | Representation |
---|---|
bin | 1001011001000… |
… | …0101000101101 |
3 | 2202010012120022 |
4 | 2112100220231 |
5 | 40040432431 |
6 | 3524131525 |
7 | 655543616 |
oct | 226205055 |
9 | 82105508 |
10 | 39389741 |
11 | 20264106 |
12 | 11236ba5 |
13 | 8211b51 |
14 | 5334c0d |
15 | 36d107b |
hex | 2590a2d |
39389741 has 4 divisors (see below), whose sum is σ = 39402300. Its totient is φ = 39377184.
The previous prime is 39389729. The next prime is 39389767. The reversal of 39389741 is 14798393.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 4932841 + 34456900 = 2221^2 + 5870^2 .
It is a cyclic number.
It is not a de Polignac number, because 39389741 - 218 = 39127597 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 39389692 and 39389701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39380741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855 + ... + 9323.
It is an arithmetic number, because the mean of its divisors is an integer number (9850575).
Almost surely, 239389741 is an apocalyptic number.
It is an amenable number.
39389741 is a deficient number, since it is larger than the sum of its proper divisors (12559).
39389741 is an equidigital number, since it uses as much as digits as its factorization.
39389741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12558.
The product of its digits is 163296, while the sum is 44.
The square root of 39389741 is about 6276.1246800872. The cubic root of 39389741 is about 340.2470551556.
The spelling of 39389741 in words is "thirty-nine million, three hundred eighty-nine thousand, seven hundred forty-one".
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