Base | Representation |
---|---|
bin | 1001010010111… |
… | …0010000010011 |
3 | 2201100201210111 |
4 | 2110232100103 |
5 | 34440034041 |
6 | 3511342151 |
7 | 652245025 |
oct | 224562023 |
9 | 81321714 |
10 | 38986771 |
11 | 2000937a |
12 | 11081957 |
13 | 81005c5 |
14 | 526c015 |
15 | 3651981 |
hex | 252e413 |
38986771 has 6 divisors (see below), whose sum is σ = 40756100. Its totient is φ = 37291188.
The previous prime is 38986769. The next prime is 38986799. The reversal of 38986771 is 17768983.
It is not a de Polignac number, because 38986771 - 21 = 38986769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38986721) 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 5 ways as a sum of consecutive naturals, for example, 36321 + ... + 37378.
Almost surely, 238986771 is an apocalyptic number.
38986771 is a deficient number, since it is larger than the sum of its proper divisors (1769329).
38986771 is an equidigital number, since it uses as much as digits as its factorization.
38986771 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73745 (or 73722 counting only the distinct ones).
The product of its digits is 508032, while the sum is 49.
The square root of 38986771 is about 6243.9387408910. The cubic root of 38986771 is about 339.0827960880.
The spelling of 38986771 in words is "thirty-eight million, nine hundred eighty-six thousand, seven hundred seventy-one".
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