Base | Representation |
---|---|
bin | 1111010110100101… |
… | …10010100110011011 |
3 | 210021102210100201210 |
4 | 13223102302212123 |
5 | 113340042221112 |
6 | 3441522114203 |
7 | 411154265451 |
oct | 75322624633 |
9 | 23242710653 |
10 | 8242538907 |
11 | 354a775529 |
12 | 17204ab963 |
13 | a14872775 |
14 | 5829a09d1 |
15 | 333958b3c |
hex | 1eb4b299b |
8242538907 has 16 divisors (see below), whose sum is σ = 11109596960. Its totient is φ = 5435424000.
The previous prime is 8242538869. The next prime is 8242538947. The reversal of 8242538907 is 7098352428.
It is not a de Polignac number, because 8242538907 - 210 = 8242537883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8242538947) 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, 175557 + ... + 217497.
It is an arithmetic number, because the mean of its divisors is an integer number (694349810).
Almost surely, 28242538907 is an apocalyptic number.
8242538907 is a deficient number, since it is larger than the sum of its proper divisors (2867058053).
8242538907 is a wasteful number, since it uses less digits than its factorization.
8242538907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42654.
The product of its (nonzero) digits is 967680, while the sum is 48.
The square root of 8242538907 is about 90788.4293674034. The cubic root of 8242538907 is about 2020.0106939113.
The spelling of 8242538907 in words is "eight billion, two hundred forty-two million, five hundred thirty-eight thousand, nine hundred seven".
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