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561046423 = 7211449927
BaseRepresentation
bin100001011100001…
…110001110010111
31110002201010000011
4201130032032113
52122111441143
6131401101051
716621546600
oct4134161627
91402633004
10561046423
11268772533
12137a87787
138c30a442
1454726da7
15343c5e9d
hex2170e397

561046423 has 6 divisors (see below), whose sum is σ = 652645896. Its totient is φ = 480896892.

The previous prime is 561046417. The next prime is 561046433. The reversal of 561046423 is 324640165.

561046423 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 561046423 - 217 = 560915351 is a prime.

It is a super-2 number, since 2×5610464232 = 629546177522189858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561046403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5724915 + ... + 5725012.

It is an arithmetic number, because the mean of its divisors is an integer number (108774316).

Almost surely, 2561046423 is an apocalyptic number.

561046423 is a deficient number, since it is larger than the sum of its proper divisors (91599473).

561046423 is a wasteful number, since it uses less digits than its factorization.

561046423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11449941 (or 11449934 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 561046423 is about 23686.4185346793. The cubic root of 561046423 is about 824.7701461897.

Adding to 561046423 its reverse (324640165), we get a palindrome (885686588).

The spelling of 561046423 in words is "five hundred sixty-one million, forty-six thousand, four hundred twenty-three".

Divisors: 1 7 49 11449927 80149489 561046423