Base | Representation |
---|---|
bin | 11101001110000… |
… | …01110100101001 |
3 | 122002012222121010 |
4 | 32213001310221 |
5 | 1000222041410 |
6 | 40153334133 |
7 | 6034263360 |
oct | 1647016451 |
9 | 562188533 |
10 | 245112105 |
11 | 1163a5397 |
12 | 6a107349 |
13 | 3ba20964 |
14 | 247a67d7 |
15 | 167bac20 |
hex | e9c1d29 |
245112105 has 16 divisors (see below), whose sum is σ = 448205184. Its totient is φ = 112051200.
The previous prime is 245112073. The next prime is 245112139. The reversal of 245112105 is 501211542.
245112105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 245112105 - 25 = 245112073 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167096 + ... + 1167305.
It is an arithmetic number, because the mean of its divisors is an integer number (28012824).
Almost surely, 2245112105 is an apocalyptic number.
It is an amenable number.
245112105 is a deficient number, since it is larger than the sum of its proper divisors (203093079).
245112105 is a wasteful number, since it uses less digits than its factorization.
245112105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2334416.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 245112105 is about 15656.0564958102. The cubic root of 245112105 is about 625.8278991153.
Adding to 245112105 its reverse (501211542), we get a palindrome (746323647).
The spelling of 245112105 in words is "two hundred forty-five million, one hundred twelve thousand, one hundred five".
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