Base | Representation |
---|---|
bin | 1000010110110100… |
… | …1010110011001101 |
3 | 12210022222220020100 |
4 | 2011231022303031 |
5 | 14043230213240 |
6 | 1010331441313 |
7 | 106405655100 |
oct | 20555126315 |
9 | 5708886210 |
10 | 2243210445 |
11 | a51263233 |
12 | 5272b6239 |
13 | 299980578 |
14 | 173cc8737 |
15 | d1e04e30 |
hex | 85b4accd |
2243210445 has 36 divisors (see below), whose sum is σ = 4523049180. Its totient is φ = 1025466624.
The previous prime is 2243210429. The next prime is 2243210467. The reversal of 2243210445 is 5440123422.
2243210445 is a `hidden beast` number, since 2 + 2 + 4 + 3 + 210 + 445 = 666.
2243210445 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 627652809 + 1615557636 = 25053^2 + 40194^2 .
It is not a de Polignac number, because 2243210445 - 24 = 2243210429 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 506460 + ... + 510869.
It is an arithmetic number, because the mean of its divisors is an integer number (125640255).
Almost surely, 22243210445 is an apocalyptic number.
It is an amenable number.
2243210445 is an abundant number, since it is smaller than the sum of its proper divisors (2279838735).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2243210445 is a wasteful number, since it uses less digits than its factorization.
2243210445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1017354 (or 1017344 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
The square root of 2243210445 is about 47362.5426365604. The cubic root of 2243210445 is about 1309.0513196348.
Adding to 2243210445 its reverse (5440123422), we get a palindrome (7683333867).
The spelling of 2243210445 in words is "two billion, two hundred forty-three million, two hundred ten thousand, four hundred forty-five".
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