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564497653 = 1075275679
BaseRepresentation
bin100001101001011…
…000110011110101
31110100012110012111
4201221120303311
52124002411103
6132003051021
716663102516
oct4151306365
91410173174
10564497653
1126a70a495
12139070a71
138cc482a5
1454d84a0d
153485886d
hex21a58cf5

564497653 has 4 divisors (see below), whose sum is σ = 569773440. Its totient is φ = 559221868.

The previous prime is 564497651. The next prime is 564497701. The reversal of 564497653 is 356794465.

It is a happy number.

564497653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356794465 = 571358893.

It is a cyclic number.

It is not a de Polignac number, because 564497653 - 21 = 564497651 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564497597 and 564497606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564497651) 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, 2637733 + ... + 2637946.

It is an arithmetic number, because the mean of its divisors is an integer number (142443360).

Almost surely, 2564497653 is an apocalyptic number.

It is an amenable number.

564497653 is a deficient number, since it is larger than the sum of its proper divisors (5275787).

564497653 is a wasteful number, since it uses less digits than its factorization.

564497653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275786.

The product of its digits is 2721600, while the sum is 49.

The square root of 564497653 is about 23759.1593496066. The cubic root of 564497653 is about 826.4578584181.

The spelling of 564497653 in words is "five hundred sixty-four million, four hundred ninety-seven thousand, six hundred fifty-three".

Divisors: 1 107 5275679 564497653