Base | Representation |
---|---|
bin | 1001011100111… |
… | …1010000010110 |
3 | 2202121020101220 |
4 | 2113033100112 |
5 | 40122134410 |
6 | 3533431210 |
7 | 660662451 |
oct | 227172026 |
9 | 82536356 |
10 | 39646230 |
11 | 20419888 |
12 | 1133b506 |
13 | 82a1810 |
14 | 53a0498 |
15 | 3732070 |
hex | 25cf416 |
39646230 has 64 divisors (see below), whose sum is σ = 104267520. Its totient is φ = 9588096.
The previous prime is 39646223. The next prime is 39646249. The reversal of 39646230 is 3264693.
39646230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 39646191 and 39646200.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 22149 + ... + 23871.
It is an arithmetic number, because the mean of its divisors is an integer number (1629180).
Almost surely, 239646230 is an apocalyptic number.
39646230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 39646230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52133760).
39646230 is an abundant number, since it is smaller than the sum of its proper divisors (64621290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39646230 is a wasteful number, since it uses less digits than its factorization.
39646230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1805.
The product of its (nonzero) digits is 23328, while the sum is 33.
The square root of 39646230 is about 6296.5252322213. The cubic root of 39646230 is about 340.9839719794.
The spelling of 39646230 in words is "thirty-nine million, six hundred forty-six thousand, two hundred thirty".
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