Base | Representation |
---|---|
bin | 10110111110101… |
… | …101101010100111 |
3 | 222212110101201010 |
4 | 112332231222213 |
5 | 1242144214402 |
6 | 102131233303 |
7 | 12361011420 |
oct | 2676555247 |
9 | 885411633 |
10 | 385538727 |
11 | 188698a52 |
12 | a9148833 |
13 | 61b4a232 |
14 | 392bc647 |
15 | 23ca8a6c |
hex | 16fadaa7 |
385538727 has 16 divisors (see below), whose sum is σ = 597120512. Its totient is φ = 216695520.
The previous prime is 385538717. The next prime is 385538729. The reversal of 385538727 is 727835583.
It is not a de Polignac number, because 385538727 - 28 = 385538471 is a prime.
It is a super-2 number, since 2×3855387272 = 297280220033561058, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385538729) 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 15 ways as a sum of consecutive naturals, for example, 149203 + ... + 151764.
It is an arithmetic number, because the mean of its divisors is an integer number (37320032).
Almost surely, 2385538727 is an apocalyptic number.
385538727 is a deficient number, since it is larger than the sum of its proper divisors (211581785).
385538727 is a wasteful number, since it uses less digits than its factorization.
385538727 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301038.
The product of its digits is 1411200, while the sum is 48.
The square root of 385538727 is about 19635.1401064520. The cubic root of 385538727 is about 727.8177948139.
The spelling of 385538727 in words is "three hundred eighty-five million, five hundred thirty-eight thousand, seven hundred twenty-seven".
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