Base | Representation |
---|---|
bin | 1001001000100… |
… | …0110001000010 |
3 | 2200002021222021 |
4 | 2102020301002 |
5 | 34301341210 |
6 | 3445032054 |
7 | 643422562 |
oct | 222106102 |
9 | 80067867 |
10 | 38308930 |
11 | 1a696080 |
12 | 109b562a |
13 | 7c23c0a |
14 | 5132da2 |
15 | 356abda |
hex | 2488c42 |
38308930 has 32 divisors (see below), whose sum is σ = 76655808. Its totient is φ = 13665600.
The previous prime is 38308927. The next prime is 38308931. The reversal of 38308930 is 3980383.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (38308931) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2545 + ... + 9115.
It is an arithmetic number, because the mean of its divisors is an integer number (2395494).
Almost surely, 238308930 is an apocalyptic number.
38308930 is an abundant number, since it is smaller than the sum of its proper divisors (38346878).
38308930 is a wasteful number, since it uses less digits than its factorization.
38308930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6642.
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 38308930 is about 6189.4208129679. The cubic root of 38308930 is about 337.1061487064.
The spelling of 38308930 in words is "thirty-eight million, three hundred eight thousand, nine hundred thirty".
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