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561060071 = 111329193701
BaseRepresentation
bin100001011100010…
…001100011100111
31110002201210201122
4201130101203213
52122112410241
6131401244155
716621634435
oct4134214347
91402653648
10561060071
11268781810
12137a9365b
138c313710
145472bd55
15343ca04b
hex217118e7

561060071 has 32 divisors (see below), whose sum is σ = 686387520. Its totient is φ = 451584000.

The previous prime is 561060007. The next prime is 561060089. The reversal of 561060071 is 170060165.

It is a cyclic number.

It is not a de Polignac number, because 561060071 - 26 = 561060007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561060071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561062071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800021 + ... + 800721.

It is an arithmetic number, because the mean of its divisors is an integer number (21449610).

Almost surely, 2561060071 is an apocalyptic number.

561060071 is a deficient number, since it is larger than the sum of its proper divisors (125327449).

561060071 is a wasteful number, since it uses less digits than its factorization.

561060071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 561060071 is about 23686.7066305132. The cubic root of 561060071 is about 824.7768339141.

The spelling of 561060071 in words is "five hundred sixty-one million, sixty thousand, seventy-one".

Divisors: 1 11 13 29 143 193 319 377 701 2123 2509 4147 5597 7711 9113 20329 27599 61567 72761 100243 135293 223619 264277 800371 1488223 1758809 2907047 3923497 19346899 43158467 51005461 561060071