Base | Representation |
---|---|
bin | 1001001000011… |
… | …1110100000101 |
3 | 2200002002121210 |
4 | 2102013310011 |
5 | 34301230104 |
6 | 3445002033 |
7 | 643405320 |
oct | 222076405 |
9 | 80062553 |
10 | 38305029 |
11 | 1a693154 |
12 | 109b3319 |
13 | 7c221c9 |
14 | 51317b7 |
15 | 3569989 |
hex | 2487d05 |
38305029 has 32 divisors (see below), whose sum is σ = 63334656. Its totient is φ = 20090880.
The previous prime is 38305021. The next prime is 38305031. The reversal of 38305029 is 92050383.
It is a happy number.
It is not a de Polignac number, because 38305029 - 23 = 38305021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38304987 and 38305005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38305021) 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 31 ways as a sum of consecutive naturals, for example, 13329 + ... + 15945.
It is an arithmetic number, because the mean of its divisors is an integer number (1979208).
Almost surely, 238305029 is an apocalyptic number.
It is an amenable number.
38305029 is a deficient number, since it is larger than the sum of its proper divisors (25029627).
38305029 is a wasteful number, since it uses less digits than its factorization.
38305029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2685.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 38305029 is about 6189.1056704503. The cubic root of 38305029 is about 337.0947058067.
The spelling of 38305029 in words is "thirty-eight million, three hundred five thousand, twenty-nine".
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