Base | Representation |
---|---|
bin | 1001010011011… |
… | …0011101100101 |
3 | 2201102102220121 |
4 | 2110312131211 |
5 | 34442123024 |
6 | 3512201541 |
7 | 652445032 |
oct | 224663545 |
9 | 81372817 |
10 | 39020389 |
11 | 20031661 |
12 | 110992b1 |
13 | 81129b5 |
14 | 527a389 |
15 | 365b8e4 |
hex | 2536765 |
39020389 has 8 divisors (see below), whose sum is σ = 41549760. Its totient is φ = 36517056.
The previous prime is 39020383. The next prime is 39020411. The reversal of 39020389 is 98302093.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 39020389 - 211 = 39018341 is a prime.
It is a super-2 number, since 2×390203892 = 3045181515422642, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39020383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3369 + ... + 9454.
It is an arithmetic number, because the mean of its divisors is an integer number (5193720).
Almost surely, 239020389 is an apocalyptic number.
It is an amenable number.
39020389 is a deficient number, since it is larger than the sum of its proper divisors (2529371).
39020389 is a wasteful number, since it uses less digits than its factorization.
39020389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13019.
The product of its (nonzero) digits is 11664, while the sum is 34.
The square root of 39020389 is about 6246.6302115621. The cubic root of 39020389 is about 339.1802309376.
The spelling of 39020389 in words is "thirty-nine million, twenty thousand, three hundred eighty-nine".
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