Base | Representation |
---|---|
bin | 1001000111110100… |
… | …1111001001011001 |
3 | 20022122202100022210 |
4 | 2101331033021121 |
5 | 20003334433040 |
6 | 1042553105333 |
7 | 114453011223 |
oct | 22175171131 |
9 | 6278670283 |
10 | 2448749145 |
11 | 1047289527 |
12 | 5840b8249 |
13 | 3004268bb |
14 | 19330d413 |
15 | e4ea5480 |
hex | 91f4f259 |
2448749145 has 16 divisors (see below), whose sum is σ = 3919292352. Its totient is φ = 1305568320.
The previous prime is 2448749143. The next prime is 2448749153. The reversal of 2448749145 is 5419478442.
It is not a de Polignac number, because 2448749145 - 21 = 2448749143 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2448749094 and 2448749103.
It is not an unprimeable number, because it can be changed into a prime (2448749143) 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 15 ways as a sum of consecutive naturals, for example, 22974 + ... + 73656.
It is an arithmetic number, because the mean of its divisors is an integer number (244955772).
Almost surely, 22448749145 is an apocalyptic number.
It is an amenable number.
2448749145 is a deficient number, since it is larger than the sum of its proper divisors (1470543207).
2448749145 is a wasteful number, since it uses less digits than its factorization.
2448749145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53912.
The product of its digits is 1290240, while the sum is 48.
The square root of 2448749145 is about 49484.8375262565. The cubic root of 2448749145 is about 1347.8702853475.
The spelling of 2448749145 in words is "two billion, four hundred forty-eight million, seven hundred forty-nine thousand, one hundred forty-five".
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