Base | Representation |
---|---|
bin | 1111000011001111… |
… | …1011000110001000 |
3 | 101102120020112121211 |
4 | 3300303323012020 |
5 | 31233234040430 |
6 | 1504522142504 |
7 | 202055436160 |
oct | 36063730610 |
9 | 11376215554 |
10 | 4040143240 |
11 | 1793612461 |
12 | 949051a34 |
13 | 4c5038503 |
14 | 2a48035a0 |
15 | 189a5472a |
hex | f0cfb188 |
4040143240 has 64 divisors (see below), whose sum is σ = 10480959360. Its totient is φ = 1372922880.
The previous prime is 4040143213. The next prime is 4040143249. The reversal of 4040143240 is 423410404.
4040143240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (4040143249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32206 + ... + 95485.
It is an arithmetic number, because the mean of its divisors is an integer number (163764990).
Almost surely, 24040143240 is an apocalyptic number.
4040143240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4040143240 is an abundant number, since it is smaller than the sum of its proper divisors (6440816120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4040143240 is a wasteful number, since it uses less digits than its factorization.
4040143240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127822 (or 127818 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 4040143240 is about 63562.1211099818. The cubic root of 4040143240 is about 1592.6936711342.
Adding to 4040143240 its reverse (423410404), we get a palindrome (4463553644).
The spelling of 4040143240 in words is "four billion, forty million, one hundred forty-three thousand, two hundred forty".
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