Base | Representation |
---|---|
bin | 101011110111… |
… | …0111100111001 |
3 | 1121021110110221 |
4 | 1113232330321 |
5 | 21341430331 |
6 | 2140540041 |
7 | 366326005 |
oct | 127567471 |
9 | 47243427 |
10 | 22998841 |
11 | 11a89408 |
12 | 7851621 |
13 | 49c33a8 |
14 | 30a9705 |
15 | 2044711 |
hex | 15eef39 |
22998841 has 4 divisors (see below), whose sum is σ = 24351732. Its totient is φ = 21645952.
The previous prime is 22998821. The next prime is 22998853. The reversal of 22998841 is 14889922.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14889922 = 2 ⋅7444961.
It can be written as a sum of positive squares in 2 ways, for example, as 19404025 + 3594816 = 4405^2 + 1896^2 .
It is a cyclic number.
It is not a de Polignac number, because 22998841 - 27 = 22998713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22998821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676420 + ... + 676453.
It is an arithmetic number, because the mean of its divisors is an integer number (6087933).
Almost surely, 222998841 is an apocalyptic number.
It is an amenable number.
22998841 is a deficient number, since it is larger than the sum of its proper divisors (1352891).
22998841 is a wasteful number, since it uses less digits than its factorization.
22998841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1352890.
The product of its digits is 82944, while the sum is 43.
The square root of 22998841 is about 4795.7106876875. The cubic root of 22998841 is about 284.3819210327.
The spelling of 22998841 in words is "twenty-two million, nine hundred ninety-eight thousand, eight hundred forty-one".
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