Search a number
-
+
561062201 = 7261337557
BaseRepresentation
bin100001011100010…
…010000100111001
31110002201220122112
4201130102010321
52122112442301
6131401302105
716621643600
oct4134220471
91402656575
10561062201
11268783377
12137a94935
138c31468b
145472ca37
15343ca9bb
hex21712139

561062201 has 24 divisors (see below), whose sum is σ = 666526536. Its totient is φ = 470776320.

The previous prime is 561062197. The next prime is 561062261. The reversal of 561062201 is 102260165.

It can be written as a sum of positive squares in 4 ways, for example, as 40309801 + 520752400 = 6349^2 + 22820^2 .

It is not a de Polignac number, because 561062201 - 22 = 561062197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (561062261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1007015 + ... + 1007571.

It is an arithmetic number, because the mean of its divisors is an integer number (27771939).

Almost surely, 2561062201 is an apocalyptic number.

It is an amenable number.

561062201 is a deficient number, since it is larger than the sum of its proper divisors (105464335).

561062201 is a wasteful number, since it uses less digits than its factorization.

561062201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 561062201 is about 23686.7515923987. The cubic root of 561062201 is about 824.7778776363. Note that the first 3 decimals are identical.

The spelling of 561062201 in words is "five hundred sixty-one million, sixty-two thousand, two hundred one".

Divisors: 1 7 49 61 337 427 557 2359 2989 3899 16513 20557 27293 33977 143899 187709 237839 1007293 1313963 1664873 9197741 11450249 80151743 561062201