Base | Representation |
---|---|
bin | 1000111010110011… |
… | …1011010100111001 |
3 | 20011212000000102021 |
4 | 2032230323110321 |
5 | 14400400021014 |
6 | 1033322434441 |
7 | 113220604600 |
oct | 21654732471 |
9 | 6155000367 |
10 | 2394142009 |
11 | 1019481366 |
12 | 569962a21 |
13 | 2c201749c |
14 | 189d76a37 |
15 | e02ba624 |
hex | 8eb3b539 |
2394142009 has 12 divisors (see below), whose sum is σ = 2881059300. Its totient is φ = 1981357728.
The previous prime is 2394142007. The next prime is 2394142031. The reversal of 2394142009 is 9002414932.
It can be written as a sum of positive squares in 2 ways, for example, as 2057529600 + 336612409 = 45360^2 + 18347^2 .
It is not a de Polignac number, because 2394142009 - 21 = 2394142007 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2394142007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 840994 + ... + 843835.
It is an arithmetic number, because the mean of its divisors is an integer number (240088275).
Almost surely, 22394142009 is an apocalyptic number.
2394142009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
2394142009 is a deficient number, since it is larger than the sum of its proper divisors (486917291).
2394142009 is a wasteful number, since it uses less digits than its factorization.
2394142009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1684872 (or 1684865 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 2394142009 is about 48929.9704577879. The cubic root of 2394142009 is about 1337.7756981845.
The spelling of 2394142009 in words is "two billion, three hundred ninety-four million, one hundred forty-two thousand, nine".
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