Base | Representation |
---|---|
bin | 1001001110101… |
… | …0111010010010 |
3 | 2200211201102011 |
4 | 2103222322102 |
5 | 34402222210 |
6 | 3501413134 |
7 | 650015566 |
oct | 223527222 |
9 | 80751364 |
10 | 38710930 |
11 | 1a940105 |
12 | 10b6a1aa |
13 | 8034b9b |
14 | 51d96a6 |
15 | 35e9d8a |
hex | 24eae92 |
38710930 has 16 divisors (see below), whose sum is σ = 69810840. Its totient is φ = 15455232.
The previous prime is 38710927. The next prime is 38710937. The reversal of 38710930 is 3901783.
38710930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 38675961 + 34969 = 6219^2 + 187^2 .
It is a super-2 number, since 2×387109302 = 2997072202929800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 38710892 and 38710901.
It is not an unprimeable number, because it can be changed into a prime (38710937) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 2416 + ... + 9124.
Almost surely, 238710930 is an apocalyptic number.
38710930 is a deficient number, since it is larger than the sum of its proper divisors (31099910).
38710930 is a wasteful number, since it uses less digits than its factorization.
38710930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7293.
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 38710930 is about 6221.8108296540. The cubic root of 38710930 is about 338.2812045409.
The spelling of 38710930 in words is "thirty-eight million, seven hundred ten thousand, nine hundred thirty".
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