Base | Representation |
---|---|
bin | 10110111101101… |
… | …111111110100111 |
3 | 222211222120002220 |
4 | 112331233332213 |
5 | 1242113123210 |
6 | 102122003423 |
7 | 12355606650 |
oct | 2675577647 |
9 | 884876086 |
10 | 385286055 |
11 | 188536130 |
12 | a9046573 |
13 | 61a8c21b |
14 | 39254527 |
15 | 23c58c70 |
hex | 16f6ffa7 |
385286055 has 32 divisors (see below), whose sum is σ = 768572928. Its totient is φ = 160118400.
The previous prime is 385286053. The next prime is 385286071. The reversal of 385286055 is 550682583.
It is not a de Polignac number, because 385286055 - 21 = 385286053 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 385285998 and 385286016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385286053) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165636 + ... + 167945.
It is an arithmetic number, because the mean of its divisors is an integer number (24017904).
Almost surely, 2385286055 is an apocalyptic number.
385286055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
385286055 is a deficient number, since it is larger than the sum of its proper divisors (383286873).
385286055 is a wasteful number, since it uses less digits than its factorization.
385286055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333607.
The product of its (nonzero) digits is 288000, while the sum is 42.
The square root of 385286055 is about 19628.7048732207. The cubic root of 385286055 is about 727.6587624835.
The spelling of 385286055 in words is "three hundred eighty-five million, two hundred eighty-six thousand, fifty-five".
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