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564720047 = 2083271109
BaseRepresentation
bin100001101010001…
…111000110101111
31110100121202021022
4201222033012233
52124032020142
6132011524355
716665020063
oct4152170657
91410552238
10564720047
1126a851591
121391596bb
138ccc5598
1455001aa3
153489e6d2
hex21a8f1af

564720047 has 4 divisors (see below), whose sum is σ = 564993240. Its totient is φ = 564446856.

The previous prime is 564720029. The next prime is 564720049. The reversal of 564720047 is 740027465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564720047 - 28 = 564719791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564719989 and 564720016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564720049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133472 + ... + 137637.

It is an arithmetic number, because the mean of its divisors is an integer number (141248310).

Almost surely, 2564720047 is an apocalyptic number.

564720047 is a deficient number, since it is larger than the sum of its proper divisors (273193).

564720047 is a wasteful number, since it uses less digits than its factorization.

564720047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273192.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 564720047 is about 23763.8390627440. The cubic root of 564720047 is about 826.5663768127.

The spelling of 564720047 in words is "five hundred sixty-four million, seven hundred twenty thousand, forty-seven".

Divisors: 1 2083 271109 564720047