Base | Representation |
---|---|
bin | 10000001001000001110001 |
3 | 21221222020010 |
4 | 100021001301 |
5 | 2040400111 |
6 | 230405133 |
7 | 50652045 |
oct | 20110161 |
9 | 7858203 |
10 | 4231281 |
11 | 243002a |
12 | 15007a9 |
13 | b51c22 |
14 | 7c2025 |
15 | 588aa6 |
hex | 409071 |
4231281 has 12 divisors (see below), whose sum is σ = 5955792. Its totient is φ = 2671704.
The previous prime is 4231277. The next prime is 4231291. The reversal of 4231281 is 1821324.
It is not a de Polignac number, because 4231281 - 22 = 4231277 is a prime.
It is a super-2 number, since 2×42312812 = 35807477801922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (4231211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871 + ... + 3036.
It is an arithmetic number, because the mean of its divisors is an integer number (496316).
Almost surely, 24231281 is an apocalyptic number.
It is an amenable number.
4231281 is a deficient number, since it is larger than the sum of its proper divisors (1724511).
4231281 is a wasteful number, since it uses less digits than its factorization.
4231281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3948 (or 3929 counting only the distinct ones).
The product of its digits is 384, while the sum is 21.
The square root of 4231281 is about 2057.0077783032. The cubic root of 4231281 is about 161.7424271454.
The spelling of 4231281 in words is "four million, two hundred thirty-one thousand, two hundred eighty-one".
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