Base | Representation |
---|---|
bin | 10111000010010… |
… | …111011001101101 |
3 | 222221021000222201 |
4 | 113002113121231 |
5 | 1242420333414 |
6 | 102203541501 |
7 | 12402106546 |
oct | 2702273155 |
9 | 887230881 |
10 | 386496109 |
11 | 18919227a |
12 | a952a891 |
13 | 620c3c2c |
14 | 3948b4cd |
15 | 23de7574 |
hex | 1709766d |
386496109 has 2 divisors, whose sum is σ = 386496110. Its totient is φ = 386496108.
The previous prime is 386496107. The next prime is 386496113. The reversal of 386496109 is 901694683.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 375506884 + 10989225 = 19378^2 + 3315^2 .
It is a cyclic number.
It is not a de Polignac number, because 386496109 - 21 = 386496107 is a prime.
Together with 386496107, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (386496107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193248054 + 193248055.
It is an arithmetic number, because the mean of its divisors is an integer number (193248055).
Almost surely, 2386496109 is an apocalyptic number.
It is an amenable number.
386496109 is a deficient number, since it is larger than the sum of its proper divisors (1).
386496109 is an equidigital number, since it uses as much as digits as its factorization.
386496109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 279936, while the sum is 46.
The square root of 386496109 is about 19659.5042918177. The cubic root of 386496109 is about 728.4197435764.
The spelling of 386496109 in words is "three hundred eighty-six million, four hundred ninety-six thousand, one hundred nine".
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