Base | Representation |
---|---|
bin | 1000001101110101… |
… | …1110010000110111 |
3 | 12200201010010001200 |
4 | 2003131132100313 |
5 | 14004104311211 |
6 | 1002504223543 |
7 | 105440535642 |
oct | 20335362067 |
9 | 5621103050 |
10 | 2205541431 |
11 | a31a74a15 |
12 | 51676abb3 |
13 | 291c21a02 |
14 | 16ccc0a59 |
15 | cd963b56 |
hex | 8375e437 |
2205541431 has 12 divisors (see below), whose sum is σ = 3192883200. Its totient is φ = 1467083520.
The previous prime is 2205541409. The next prime is 2205541439. The reversal of 2205541431 is 1341455022.
2205541431 is a `hidden beast` number, since 220 + 5 + 5 + 4 + 1 + 431 = 666.
It is not a de Polignac number, because 2205541431 - 211 = 2205539383 is a prime.
It is a super-2 number, since 2×22055414312 = 9728826007715055522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2205541395 and 2205541404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2205541439) 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 11 ways as a sum of consecutive naturals, for example, 268855 + ... + 276936.
It is an arithmetic number, because the mean of its divisors is an integer number (266073600).
Almost surely, 22205541431 is an apocalyptic number.
2205541431 is a deficient number, since it is larger than the sum of its proper divisors (987341769).
2205541431 is a wasteful number, since it uses less digits than its factorization.
2205541431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 546246 (or 546243 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 2205541431 is about 46963.1922999278. The cubic root of 2205541431 is about 1301.6825218552.
Adding to 2205541431 its reverse (1341455022), we get a palindrome (3546996453).
The spelling of 2205541431 in words is "two billion, two hundred five million, five hundred forty-one thousand, four hundred thirty-one".
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