Search a number
-
+
561110049 = 3262345561
BaseRepresentation
bin100001011100011…
…101110000100001
31110002211100021200
4201130131300201
52122121010144
6131402311413
716622233233
oct4134356041
91402740250
10561110049
11268806315
12137ab8569
138c3303a6
1454742253
15343d9c69
hex2171dc21

561110049 has 6 divisors (see below), whose sum is σ = 810492306. Its totient is φ = 374073360.

The previous prime is 561110027. The next prime is 561110083. The reversal of 561110049 is 940011165.

561110049 is a `hidden beast` number, since 5 + 611 + 1 + 0 + 0 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 298183824 + 262926225 = 17268^2 + 16215^2 .

It is not a de Polignac number, because 561110049 - 213 = 561101857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561110149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31172772 + ... + 31172789.

It is an arithmetic number, because the mean of its divisors is an integer number (135082051).

Almost surely, 2561110049 is an apocalyptic number.

It is an amenable number.

561110049 is a deficient number, since it is larger than the sum of its proper divisors (249382257).

561110049 is a wasteful number, since it uses less digits than its factorization.

561110049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62345567 (or 62345564 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 561110049 is about 23687.7615869461. The cubic root of 561110049 is about 824.8013229572.

The spelling of 561110049 in words is "five hundred sixty-one million, one hundred ten thousand, forty-nine".

Divisors: 1 3 9 62345561 187036683 561110049