Base | Representation |
---|---|
bin | 10110101101001… |
… | …000001000001011 |
3 | 222112210011200211 |
4 | 112231020020023 |
5 | 1240004203043 |
6 | 101444341551 |
7 | 12303560533 |
oct | 2655101013 |
9 | 875704624 |
10 | 380928523 |
11 | 18602a268 |
12 | a76a48b7 |
13 | 60bc49c1 |
14 | 3883c4c3 |
15 | 23697a9d |
hex | 16b4820b |
380928523 has 2 divisors, whose sum is σ = 380928524. Its totient is φ = 380928522.
The previous prime is 380928521. The next prime is 380928533. The reversal of 380928523 is 325829083.
It is a weak prime.
It is an emirp because it is prime and its reverse (325829083) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 380928523 - 21 = 380928521 is a prime.
Together with 380928521, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (380928521) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190464261 + 190464262.
It is an arithmetic number, because the mean of its divisors is an integer number (190464262).
Almost surely, 2380928523 is an apocalyptic number.
380928523 is a deficient number, since it is larger than the sum of its proper divisors (1).
380928523 is an equidigital number, since it uses as much as digits as its factorization.
380928523 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 103680, while the sum is 40.
The square root of 380928523 is about 19517.3902712427. The cubic root of 380928523 is about 724.9051151290.
The spelling of 380928523 in words is "three hundred eighty million, nine hundred twenty-eight thousand, five hundred twenty-three".
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