Base | Representation |
---|---|
bin | 1001010111110… |
… | …0100011011101 |
3 | 2201222000201210 |
4 | 2111330203131 |
5 | 40030314420 |
6 | 3522255033 |
7 | 655052040 |
oct | 225744335 |
9 | 81860653 |
10 | 39307485 |
11 | 20208328 |
12 | 111b7479 |
13 | 81b3589 |
14 | 5312c57 |
15 | 36b69e0 |
hex | 257c8dd |
39307485 has 96 divisors (see below), whose sum is σ = 81637632. Its totient is φ = 15759360.
The previous prime is 39307481. The next prime is 39307487. The reversal of 39307485 is 58470393.
It is not a de Polignac number, because 39307485 - 22 = 39307481 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39307481) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 644355 + ... + 644415.
It is an arithmetic number, because the mean of its divisors is an integer number (850392).
Almost surely, 239307485 is an apocalyptic number.
39307485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
39307485 is an abundant number, since it is smaller than the sum of its proper divisors (42330147).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39307485 is a wasteful number, since it uses less digits than its factorization.
39307485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131 (or 112 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 39.
The square root of 39307485 is about 6269.5681669474. The cubic root of 39307485 is about 340.0100487226.
The spelling of 39307485 in words is "thirty-nine million, three hundred seven thousand, four hundred eighty-five".
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