Base | Representation |
---|---|
bin | 11100111100001… |
… | …00110001010101 |
3 | 121220210201211001 |
4 | 32132010301111 |
5 | 444121434020 |
6 | 40031143301 |
7 | 6005316226 |
oct | 1636046125 |
9 | 556721731 |
10 | 242764885 |
11 | 115041940 |
12 | 69374b31 |
13 | 3b3ab47c |
14 | 2435524d |
15 | 164a550a |
hex | e784c55 |
242764885 has 32 divisors (see below), whose sum is σ = 339406848. Its totient is φ = 164915520.
The previous prime is 242764859. The next prime is 242764889. The reversal of 242764885 is 588467242.
242764885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 242764885 - 25 = 242764853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242764889) 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, 52164 + ... + 56626.
It is an arithmetic number, because the mean of its divisors is an integer number (10606464).
Almost surely, 2242764885 is an apocalyptic number.
It is an amenable number.
242764885 is a deficient number, since it is larger than the sum of its proper divisors (96641963).
242764885 is a wasteful number, since it uses less digits than its factorization.
242764885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4545.
The product of its digits is 860160, while the sum is 46.
The square root of 242764885 is about 15580.9141259427. The cubic root of 242764885 is about 623.8238231613.
It can be divided in two parts, 24276 and 4885, that added together give a triangular number (29161 = T241).
The spelling of 242764885 in words is "two hundred forty-two million, seven hundred sixty-four thousand, eight hundred eighty-five".
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