Base | Representation |
---|---|
bin | 101011110111… |
… | …1001111110001 |
3 | 1121021112010200 |
4 | 1113233033301 |
5 | 21342000144 |
6 | 2140545413 |
7 | 366332352 |
oct | 127571761 |
9 | 47245120 |
10 | 23000049 |
11 | 11a8a306 |
12 | 7852269 |
13 | 49c3ac7 |
14 | 30a9d29 |
15 | 2044c69 |
hex | 15ef3f1 |
23000049 has 6 divisors (see below), whose sum is σ = 33222306. Its totient is φ = 15333360.
The previous prime is 23000027. The next prime is 23000059. The reversal of 23000049 is 94000032.
It can be written as a sum of positive squares in only one way, i.e., 21095649 + 1904400 = 4593^2 + 1380^2 .
It is not a de Polignac number, because 23000049 - 212 = 22995953 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 22999995 and 23000040.
It is not an unprimeable number, because it can be changed into a prime (23000009) 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 5 ways as a sum of consecutive naturals, for example, 1277772 + ... + 1277789.
It is an arithmetic number, because the mean of its divisors is an integer number (5537051).
Almost surely, 223000049 is an apocalyptic number.
It is an amenable number.
23000049 is a deficient number, since it is larger than the sum of its proper divisors (10222257).
23000049 is a wasteful number, since it uses less digits than its factorization.
23000049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2555567 (or 2555564 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 23000049 is about 4795.8366319131. The cubic root of 23000049 is about 284.3868999408.
The spelling of 23000049 in words is "twenty-three million, forty-nine", and thus it is an aban number and an uban number.
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