Base | Representation |
---|---|
bin | 10110111101100… |
… | …000110110111111 |
3 | 222211212102011021 |
4 | 112331200312333 |
5 | 1242104133002 |
6 | 102120405011 |
7 | 12355231261 |
oct | 2675406677 |
9 | 884772137 |
10 | 385224127 |
11 | 1884a3652 |
12 | a9016767 |
13 | 61a69c92 |
14 | 39239b31 |
15 | 23c45737 |
hex | 16f60dbf |
385224127 has 4 divisors (see below), whose sum is σ = 385847080. Its totient is φ = 384601176.
The previous prime is 385224121. The next prime is 385224137. The reversal of 385224127 is 721422583.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 385224127 - 219 = 384699839 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 385224092 and 385224101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385224121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310548 + ... + 311785.
It is an arithmetic number, because the mean of its divisors is an integer number (96461770).
Almost surely, 2385224127 is an apocalyptic number.
385224127 is a deficient number, since it is larger than the sum of its proper divisors (622953).
385224127 is an equidigital number, since it uses as much as digits as its factorization.
385224127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 622952.
The product of its digits is 26880, while the sum is 34.
The square root of 385224127 is about 19627.1273241909. The cubic root of 385224127 is about 727.6197742514.
The spelling of 385224127 in words is "three hundred eighty-five million, two hundred twenty-four thousand, one hundred twenty-seven".
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