Base | Representation |
---|---|
bin | 1001000101110… |
… | …0110111011001 |
3 | 2122202011022101 |
4 | 2101130313121 |
5 | 34230112423 |
6 | 3441123401 |
7 | 642043411 |
oct | 221346731 |
9 | 78664271 |
10 | 38129113 |
11 | 1a582a70 |
12 | 10929561 |
13 | 7b90109 |
14 | 50c7641 |
15 | 35327ad |
hex | 245cdd9 |
38129113 has 32 divisors (see below), whose sum is σ = 46656000. Its totient is φ = 30750720.
The previous prime is 38129107. The next prime is 38129137. The reversal of 38129113 is 31192183.
It is not a de Polignac number, because 38129113 - 217 = 37998041 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38129513) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428373 + ... + 428461.
It is an arithmetic number, because the mean of its divisors is an integer number (1458000).
Almost surely, 238129113 is an apocalyptic number.
It is an amenable number.
38129113 is a deficient number, since it is larger than the sum of its proper divisors (8526887).
38129113 is a wasteful number, since it uses less digits than its factorization.
38129113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225.
The product of its digits is 1296, while the sum is 28.
The square root of 38129113 is about 6174.8775696365. The cubic root of 38129113 is about 336.5778775540.
The spelling of 38129113 in words is "thirty-eight million, one hundred twenty-nine thousand, one hundred thirteen".
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