Base | Representation |
---|---|
bin | 10110111110000… |
… | …111110001110011 |
3 | 222212011111211102 |
4 | 112332013301303 |
5 | 1242124233124 |
6 | 102124035015 |
7 | 12356464112 |
oct | 2676076163 |
9 | 885144742 |
10 | 385383539 |
11 | 1885a23a2 |
12 | a9092a6b |
13 | 61ac46c8 |
14 | 3927bc79 |
15 | 23c77aae |
hex | 16f87c73 |
385383539 has 2 divisors, whose sum is σ = 385383540. Its totient is φ = 385383538.
The previous prime is 385383499. The next prime is 385383541. The reversal of 385383539 is 935383583.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 385383539 - 28 = 385383283 is a prime.
It is a super-3 number, since 3×3853835393 (a number of 27 digits) contains 333 as substring.
It is a Sophie Germain prime.
Together with 385383541, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 385383493 and 385383502.
It is not a weakly prime, because it can be changed into another prime (385383589) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192691769 + 192691770.
It is an arithmetic number, because the mean of its divisors is an integer number (192691770).
Almost surely, 2385383539 is an apocalyptic number.
385383539 is a deficient number, since it is larger than the sum of its proper divisors (1).
385383539 is an equidigital number, since it uses as much as digits as its factorization.
385383539 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1166400, while the sum is 47.
The square root of 385383539 is about 19631.1879161705. The cubic root of 385383539 is about 727.7201273699.
The spelling of 385383539 in words is "three hundred eighty-five million, three hundred eighty-three thousand, five hundred thirty-nine".
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