Base | Representation |
---|---|
bin | 111110100001100111111 |
3 | 10212002110122 |
4 | 13310030333 |
5 | 1011030311 |
6 | 111525155 |
7 | 23262161 |
oct | 7641477 |
9 | 3762418 |
10 | 2048831 |
11 | 117a354 |
12 | 8297bb |
13 | 569735 |
14 | 3b4931 |
15 | 2a70db |
hex | 1f433f |
2048831 has 4 divisors (see below), whose sum is σ = 2052600. Its totient is φ = 2045064.
The previous prime is 2048819. The next prime is 2048833. The reversal of 2048831 is 1388402.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1388402 = 2 ⋅694201.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2048831 is a prime.
It is a super-2 number, since 2×20488312 = 8395416933122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2048831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2048833) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896 + ... + 2213.
It is an arithmetic number, because the mean of its divisors is an integer number (513150).
22048831 is an apocalyptic number.
2048831 is a deficient number, since it is larger than the sum of its proper divisors (3769).
2048831 is an equidigital number, since it uses as much as digits as its factorization.
2048831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3768.
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 2048831 is about 1431.3738156051. The cubic root of 2048831 is about 127.0092580103.
The spelling of 2048831 in words is "two million, forty-eight thousand, eight hundred thirty-one".
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