Base | Representation |
---|---|
bin | 1001001011101… |
… | …0100111010011 |
3 | 2200110200001101 |
4 | 2102322213103 |
5 | 34324404412 |
6 | 3453245231 |
7 | 645233053 |
oct | 222724723 |
9 | 80420041 |
10 | 38513107 |
11 | 1a815516 |
12 | 10a93817 |
13 | 7c95b29 |
14 | 5187563 |
15 | 35ab457 |
hex | 24ba9d3 |
38513107 has 2 divisors, whose sum is σ = 38513108. Its totient is φ = 38513106.
The previous prime is 38513099. The next prime is 38513117. The reversal of 38513107 is 70131583.
It is a weak prime.
It is an emirp because it is prime and its reverse (70131583) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38513107 - 23 = 38513099 is a prime.
It is not a weakly prime, because it can be changed into another prime (38513117) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19256553 + 19256554.
It is an arithmetic number, because the mean of its divisors is an integer number (19256554).
Almost surely, 238513107 is an apocalyptic number.
38513107 is a deficient number, since it is larger than the sum of its proper divisors (1).
38513107 is an equidigital number, since it uses as much as digits as its factorization.
38513107 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 38513107 is about 6205.8929252767. The cubic root of 38513107 is about 337.7039849628.
The spelling of 38513107 in words is "thirty-eight million, five hundred thirteen thousand, one hundred seven".
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